<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2020v4.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2021-06-23T09:06:25-05:00</ReturnTs>
    <TaxPeriodEndDt>2020-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>381357951</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>PLANTE &amp; MORAN PLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>8181 E TUFTS AVE SUITE 600</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80237</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2020-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>840502539</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>DENVER ZOOLOGICAL FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>DENV</BusinessNameControlTxt>
      <PhoneNum>7203371400</PhoneNum>
      <USAddress>
        <AddressLine1Txt>2300 STEELE STREET</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80205</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CHARLES WRIGHT</PersonNm>
      <PersonTitleTxt>CFO/TREASURER</PersonTitleTxt>
      <PhoneNum>7203371400</PhoneNum>
      <SignatureDt>2021-06-04</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>CHARLES</PersonFirstNm>
        <PersonLastNm>WRIGHT</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>DORI J EGGETT</PreparerPersonNm>
      <PTIN>P00645252</PTIN>
      <PhoneNum>3037409400</PhoneNum>
      <PreparationDt>2021-06-04</PreparationDt>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>2</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2020</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="12">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>CHARLES WRIGHT</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>2300 STEELE STREET</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80205</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>46439057</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.DENVERZOO.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1950</FormationYr>
      <LegalDomicileStateCd>CO</LegalDomicileStateCd>
      <ActivityOrMissionDesc>DENVER ZOO IS A LEADER IN ANIMAL CARE AND VISITOR EXPERIENCE. WE ARE PASSIONATE (SEE SCHEDULE O) ABOUT OUR COMMITMENT TO EXCELLENCE IN SUPPORT OF OUR MISSION "INSPIRING COMMUNITIES TO SAVE WILDLIFE FOR FUTURE GENERATIONS AND VISION - "A WORLD WHERE WILDLIFE THRIVES."WE PROVIDE EXTRAORDINARY EXPERIENCES EVERY DAY FOR OUR ANIMALS AND VISITORS AND OUR CORE VALUES ARE EVIDENT IN EVERYTHING WE DO:PROTECT * HONOR * INNOVATE * ENGAGE * EMPOWER * SERVE</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>13</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>13</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>537</TotalEmployeeCnt>
      <TotalVolunteersCnt>571</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>30661691</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>33733151</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>21631465</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>12193721</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>316386</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>167271</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>129391</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>210400</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>52738933</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>46304543</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>635316</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>406466</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>27021758</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>22911168</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>2032396</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>28348586</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>24480006</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>56005660</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>47797640</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-3266727</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-1493097</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>29537832</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>28196722</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>12237910</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>12390632</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>17299922</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>15806090</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>INSPIRING COMMUNITIES TO SAVE WILDLIFE FOR FUTURE GENERATIONS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>1</SignificantChangeInd>
      <ExpenseAmt>30038513</ExpenseAmt>
      <RevenueAmt>3423119</RevenueAmt>
      <Desc>ANIMAL SCIENCES:DENVER ZOO'S MISSION IS INSPIRING COMMUNITIES TO SAVE WILDLIFE FOR FUTURE GENERATIONS. OUR LARGEST PROGRAM AREA IS CARING FOR OUR ANIMAL RESIDENTS. DENVER ZOO IS A RECOGNIZED LEADER IN ALL AREAS RELATING TO QUALITY CARE FOR OUR ANIMAL COLLECTION AS WE ARE FOCUSED ON PROVIDING THE BEST NUTRITIONAL, EMOTIONAL, SOCIAL, AND PHYSICAL CARE POSSIBLE.ANIMALS AT DENVER ZOO ARE VERY WELL CARED FOR BY THEIR DEDICATED KEEPERS AND VETERINARY MEDICINE AND WELFARE STAFF. SEE SCHEDULE O. OUR ANIMALS ARE BRED UNDER THE RECOMMENDATIONS OF THE ASSOCIATION OF ZOOS AND AQUARIUMS' (AZA) SPECIES SURVIVAL PLAN (SSP), WHICH ENSURES GENETIC DIVERSITY AND HEALTHY POPULATIONS. ANIMAL WELFARE IS EVERYONE'S JOB AT DENVER ZOO - ALL STAFF HAVE ANNUAL REQUIRED TRAINING ON THIS IMPORTANT TOPIC. DENVER ZOO IS ACCREDITED BY THE AZA AND CERTIFIED BY AMERICAN HUMANE.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>2093112</ExpenseAmt>
        <RevenueAmt>268558</RevenueAmt>
        <Desc>LEARNING EXPERIENCES: DENVER ZOO'S LEARNING, ENGAGEMENT, AND RESEARCH &amp; EVALUATION TEAM AIMS TO HELP STUDENTS, FAMILIES, AND COMMUNITIES CONNECT WITH THE ENVIRONMENT, BECOME SCIENTIFIC THINKERS, AND ULTIMATELY CHAMPIONS FOR ANIMALS. THE COVID-19 PANDEMIC TOOK A DEVASTATING TOLL ON OUR LEARNING EXPERIENCES. PREVIOUSLY DENVER ZOO, WITH THE HELP OF DEDICATED SUPPORTERS, WAS ABLE TO AWARD SCHOLARSHIPS TO HIGH-NEED INDIVIDUALS, CLASSES, SCHOOLS, AFTERCARE SITES, COMMUNITY CENTERS, CIVIC GROUPS, AND MORE. SEE SCHEDULE O. THESE SCHOLARSHIPS SUPPORTED PEOPLE WHO PARTICIPATED IN A WIDE VARIETY OF EARLY CHILDHOOD AND YOUTH EDUCATION PROGRAMS, INCLUDING FIELD TRIPS, CAMPS, OVERNIGHT EXPERIENCES, OUTREACH PROGRAMS, TRANSPORTATION REIMBURSEMENT, AND OTHER STIPENDS THAT CONNECT OUR COMMUNITY TO THE WONDER OF ANIMALS. FOR 2020, NEARLY ALL ONSITE STUDENT ACTIVITIES WERE REPLACED WITH VIRTUAL LEARNING. OTHER PROGRAMS WERE CANCELED OR SIGNIFICANTLY LIMITED TO MAINTAIN SOCIAL DISTANCING.IN A TYPICAL YEAR, APPROXIMATELY HALF OF THE ZOO'S EDUCATION PROGRAMS ARE CONDUCTED OFF THE ZOO CAMPUS IN SURROUNDING COMMUNITIES. FOR 2020, DENVER ZOO WAS ABLE TO PIVOT FROM IN-PERSON OUTREACH PROGRAMS TO VIRTUAL CURRICULUMS.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>7604073</ExpenseAmt>
        <RevenueAmt>8498228</RevenueAmt>
        <Desc>GUEST EXPERIENCES: DENVER ZOO EXISTS TO HELP OUR COMMUNITY CONNECT WITH WILDLIFE HERE AND AROUND THE WORLD SO THAT WE CAN ALL BE PART OF THE SOLUTION TO HELPING SPECIES THRIVE. OUR PASSION AND REASON FOR BEING IS TO INSPIRE COMMUNITIES TO SAVE WILDLIFE FOR FUTURE GENERATIONS. WE ACHIEVE THIS BY PROVIDING AN OUTSTANDING GUEST EXPERIENCE EACH AND EVERY DAY. DENVER ZOO MONITORS AND EVALUATES THE VISITOR EXPERIENCE THROUGH A MYSTERY SHOPPER PROGRAM, GUEST COMMENT CARDS AND EXTENSIVE GUEST SATISFACTION SURVEYS. SEE SCHEDULE O.DURING 2020, DENVER ZOO, LIKE ALL PARTS OF OUR CITY, STATE, AND NATION, WAS SEVERELY IMPACTED BY THE COVID-19 VIRUS AND WAS CLOSED TO THE PUBLIC FOR NEARLY THREE MONTHS AND THEN REOPENED TO GREATLY REDUCED CAPACITY LIMITS. FOR 2020, DENVER ZOO STILL SERVED OVER 1.1M PEOPLE THROUGH ZOO VISITS AND OUTREACH PROGRAMS. THOUGH THE FEWEST NUMBER OF GUESTS SERVED IN OVER 30 YEARS, WE WERE ABLE TO REACH A RECORD NUMBER OF PEOPLE VIRTUALLY, LIKE WITH OUR "ZOO2YOU" FACEBOOK LIVE EVENTS. INTERACTING WITH ANIMALS AND THE STAFF AND VOLUNTEERS WHO PASSIONATELY INTRODUCE THEM TO GUESTS MAKES DENVER ZOO A UNIQUE DESTINATION. PATHWAYS, GARDENS, SIGNS, AND EVERY PART OF THE ZOO ENVIRONMENT ENGAGES THE SENSES AND TRANSPORTS GUESTS TO NEW PLACES. HANDS-ON EXPLORATION AND SELF-GUIDED DISCOVERY ARE KEY ASPECTS THROUGHOUT THE PARK, HELPING FOSTER HUMAN AND ANIMAL CONNECTIONS AND CULTIVATING MOMENTS OF AWE. IN LATE SPRING 2020, DENVER ZOO OPENED A NEW SEASONAL EXHIBIT, STINGRAY COVE, A 15,000 GALLON COVERED, OUTDOOR POOL FILLED WITH STINGRAY AND SMALL SHARKS. GUESTS CAN FEED OR PET THEM AS THEY SWIM BY. DENVER ZOO ALSO OPENED A NEW, 22,000 SQUARE FOOT, STATE-OF-THE-ART ANIMAL HOSPITAL IN JUNE 2020 AND FOR 2021, THE HOSPITAL WILL WELCOME GUESTS TO VIEW ANIMAL PROCEDURES FROM THE HOSPITAL GALLERY.</Desc>
      </ProgSrvcAccomActy3Grp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>1098316</ExpenseAmt>
        <GrantAmt>406465</GrantAmt>
        <RevenueAmt>3816</RevenueAmt>
        <Desc>FIELD CONSERVATION:DENVER ZOO IS A LEADER AMONG ZOOS IN FIELD CONSERVATION. IN ADDITION TO CONNECTING AUDIENCES WITH A WIDE VARIETY OF SPECIES AT OUR 80+ ACRE CAMPUS, WE ARE WORKING TO SAVE ANIMALS IN THE WILD THROUGH FIVE CORE PROGRAMS AROUND THE WORLD - MONGOLIA, VIETNAM, BOTSWANA, PERU, AND THE AMERICAN ROCKY MOUNTAINS AND GREAT PLAINS. WE COMMIT FULL-TIME, PART-TIME, AND CONTRACT STAFF ALONG WITH OTHER RESOURCES TO THESE PROGRAMS EACH YEAR. USING SOUND SCIENCE TO IDENTIFTY AND UNDERSTAND TARGET SPECIES AND THREATS TO THEIR SURVIVAL. WE THEN WORK TO MITIGATE THOSE THREATS BY STRENGTHENING PROTECTED AREAS MANAGEMENT, ENGAGING LOCAL COMMUNITIES, INFLUENCING CONSERVATION POLICY, AND BUILDING THE CAPACITY OF INDIVIDUALS AND ORGANIZATIONS TO ENGAGE IN CONSERVATION ACTION. DENVER ZOO CONTINUES TO GROW CONSERVATION PARTNERSHIPS IN COLORADO TO HAVE A GREAT IMPACT HERE AS WELL AS OFFER MORE OPTIONS FOR CITIZENS TO ENGAGE IN CONSERVATION WORK CLOSE TO HOME.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <TotalOtherProgSrvcExpenseAmt>1098316</TotalOtherProgSrvcExpenseAmt>
      <TotalOtherProgSrvcGrantAmt>406465</TotalOtherProgSrvcGrantAmt>
      <TotalOtherProgSrvcRevenueAmt>3816</TotalOtherProgSrvcRevenueAmt>
      <TotalProgramServiceExpensesAmt>40834014</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039600001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039600001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039600001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">1</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">1</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd referenceDocumentId="RetDoc1041300001">0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd referenceDocumentId="RetDoc1041300001">1</FundraisingActivitiesInd>
      <GamingActivitiesInd referenceDocumentId="RetDoc1041300001">0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd referenceDocumentId="RetDoc1042900001">1</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd referenceDocumentId="RetDoc1042900001">0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>1</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd referenceDocumentId="RetDoc1043400001">1</TransactionWithControlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>56</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>537</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>1</QuidProQuoContributionsInd>
      <QuidProQuoContriDisclInd>1</QuidProQuoContriDisclInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>13</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>13</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>CHARLES WRIGHT</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>7203371420</PhoneNum>
        <USAddress>
          <AddressLine1Txt>2300 STEELE STREET</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80205</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>LYNE ANDRICH</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUNNY BROWNSTEIN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SEAN CAMPBELL</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MEREDITH COORS</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARCELA DE LA MAR</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>OLGA DONAHUE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HAPPY HAYNES</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN IKARD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT KAUFMANN</PersonNm>
        <TitleTxt>BOARD CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHERRI KOELBEL</PersonNm>
        <TitleTxt>IMMEDIATE PAST CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JASON ROMERO</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>REBECCA WILSON MACSOVITS</PersonNm>
        <TitleTxt>INCOMING BOARD CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLES SCOGGIN</PersonNm>
        <TitleTxt>VICE CHAIR OF FINANCE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BERT VESCOLANI</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>2.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>472777</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33709</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLIE WRIGHT</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>2.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>258929</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>26075</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAT MOREDOCK</PersonNm>
        <TitleTxt>ASSISTANT SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>2.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>74577</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11158</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>AMBER CHRISTOPHER</PersonNm>
        <TitleTxt>SENIOR VP OF GUEST EXPERIENCES</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>207426</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21731</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GEORGE POND</PersonNm>
        <TitleTxt>SENIOR VP OF DESIGN AND CAMPUS MGMT.</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>190259</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27443</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN AUCONE</PersonNm>
        <TitleTxt>SENIOR VP OF ANIMAL SCIENCES</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>195115</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17513</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NOELLE DELAGE</PersonNm>
        <TitleTxt>CDO</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>180166</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25747</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JACQUE TAYLOR</PersonNm>
        <TitleTxt>SENIOR VP OF HR</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>189998</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21519</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARIE REVENEW</PersonNm>
        <TitleTxt>VP OF EXTERNAL RELATIONS</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>183205</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21719</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT LARSEN</PersonNm>
        <TitleTxt>VP OF ANIMAL HEALTH</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>147570</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21018</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JARED HARDY</PersonNm>
        <TitleTxt>CREATIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>127022</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>24310</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>EMILY INSALACO</PersonNm>
        <TitleTxt>GENERAL CURATOR</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>119222</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>24219</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2346266</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>276161</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>24</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>5102174</MembershipDuesAmt>
      <FundraisingAmt>88249</FundraisingAmt>
      <RelatedOrganizationsAmt>966600</RelatedOrganizationsAmt>
      <GovernmentGrantsAmt>20962400</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>6613728</AllOtherContributionsAmt>
      <NoncashContributionsAmt>57476</NoncashContributionsAmt>
      <TotalContributionsAmt>33733151</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>GUEST EXPERIENCES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>8498228</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>8498228</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANIMAL SCIENCES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3423119</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3423119</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>LEARNING EXPERIENCES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>268558</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>268558</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>FIELD CONSERVATION</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3816</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3816</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>12193721</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>71395</TotalRevenueColumnAmt>
        <ExclusionAmt>71395</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>95876</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>95876</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>95876</TotalRevenueColumnAmt>
        <ExclusionAmt>95876</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>134514</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>88249</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>134514</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>210400</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>210400</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>210400</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>46304543</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12404121</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>167271</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>47642</TotalAmt>
        <ProgramServicesAmt>47642</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>6000</TotalAmt>
        <ProgramServicesAmt>6000</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>352824</TotalAmt>
        <ProgramServicesAmt>352824</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1742625</TotalAmt>
        <ProgramServicesAmt>809951</ProgramServicesAmt>
        <ManagementAndGeneralAmt>440627</ManagementAndGeneralAmt>
        <FundraisingAmt>492047</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>16970606</TotalAmt>
        <ProgramServicesAmt>14333240</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1750323</ManagementAndGeneralAmt>
        <FundraisingAmt>887043</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>744949</TotalAmt>
        <ProgramServicesAmt>604441</ProgramServicesAmt>
        <ManagementAndGeneralAmt>93810</ManagementAndGeneralAmt>
        <FundraisingAmt>46698</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2016835</TotalAmt>
        <ProgramServicesAmt>1698488</ProgramServicesAmt>
        <ManagementAndGeneralAmt>265369</ManagementAndGeneralAmt>
        <FundraisingAmt>52978</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1436153</TotalAmt>
        <ProgramServicesAmt>1014286</ProgramServicesAmt>
        <ManagementAndGeneralAmt>332907</ManagementAndGeneralAmt>
        <FundraisingAmt>88960</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>6521</TotalAmt>
        <ManagementAndGeneralAmt>6521</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47247</TotalAmt>
        <ManagementAndGeneralAmt>47247</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>30000</TotalAmt>
        <ProgramServicesAmt>30000</ProgramServicesAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1705374</TotalAmt>
        <ProgramServicesAmt>1678360</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15336</ManagementAndGeneralAmt>
        <FundraisingAmt>11678</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>436324</TotalAmt>
        <ProgramServicesAmt>12327</ProgramServicesAmt>
        <ManagementAndGeneralAmt>420753</ManagementAndGeneralAmt>
        <FundraisingAmt>3244</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>399494</TotalAmt>
        <ProgramServicesAmt>130640</ProgramServicesAmt>
        <ManagementAndGeneralAmt>147795</ManagementAndGeneralAmt>
        <FundraisingAmt>121059</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>450292</TotalAmt>
        <ProgramServicesAmt>323806</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58481</ManagementAndGeneralAmt>
        <FundraisingAmt>68005</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>1824069</TotalAmt>
        <ProgramServicesAmt>1824069</ProgramServicesAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>31604</TotalAmt>
        <ProgramServicesAmt>26957</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3320</ManagementAndGeneralAmt>
        <FundraisingAmt>1327</FundraisingAmt>
      </TravelGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>620875</TotalAmt>
        <ProgramServicesAmt>603732</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8420</ManagementAndGeneralAmt>
        <FundraisingAmt>8723</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>181971</TotalAmt>
        <ProgramServicesAmt>139912</ProgramServicesAmt>
        <ManagementAndGeneralAmt>35222</ManagementAndGeneralAmt>
        <FundraisingAmt>6837</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EXHIBITS &amp; COLLECTIONS</Desc>
        <TotalAmt>13561291</TotalAmt>
        <ProgramServicesAmt>13561291</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ANIMAL CARE &amp; SUPPLIES</Desc>
        <TotalAmt>2094156</TotalAmt>
        <ProgramServicesAmt>2077711</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1399</ManagementAndGeneralAmt>
        <FundraisingAmt>15046</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FUNDRAISING &amp; EVENTS</Desc>
        <TotalAmt>975886</TotalAmt>
        <ProgramServicesAmt>355488</ProgramServicesAmt>
        <ManagementAndGeneralAmt>506045</ManagementAndGeneralAmt>
        <FundraisingAmt>114353</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EDUCATION &amp; CONSERVATIO</Desc>
        <TotalAmt>78429</TotalAmt>
        <ProgramServicesAmt>78429</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>2036473</TotalAmt>
        <ProgramServicesAmt>1124420</ProgramServicesAmt>
        <ManagementAndGeneralAmt>797655</ManagementAndGeneralAmt>
        <FundraisingAmt>114398</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>47797640</TotalAmt>
        <ProgramServicesAmt>40834014</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4931230</ManagementAndGeneralAmt>
        <FundraisingAmt>2032396</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>882072</BOYAmt>
        <EOYAmt>7263113</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>20403916</BOYAmt>
        <EOYAmt>11455102</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>5636666</BOYAmt>
        <EOYAmt>6449235</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>747432</BOYAmt>
        <EOYAmt>412196</EOYAmt>
      </AccountsReceivableGrp>
      <LandBldgEquipCostOrOtherBssAmt>7344916</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>4727840</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>1867746</BOYAmt>
        <EOYAmt>2617076</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>29537832</BOYAmt>
        <EOYAmt>28196722</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>8417876</BOYAmt>
        <EOYAmt>4346734</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>3820034</BOYAmt>
        <EOYAmt>3382698</EOYAmt>
      </DeferredRevenueGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>4661000</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>200</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>12237910</BOYAmt>
        <EOYAmt>12390632</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>13745166</BOYAmt>
        <EOYAmt>11035666</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>3554756</BOYAmt>
        <EOYAmt>4770424</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>17299922</BOYAmt>
        <EOYAmt>15806090</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>29537832</BOYAmt>
        <EOYAmt>28196722</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-1493097</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-735</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>10028413</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>12053786</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>9895483</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10362627</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>12770751</CurrentTaxYearAmt>
        <TotalAmt>55111060</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp>
        <CurrentTaxYearMinus4YearsAmt>8699249</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>9055462</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>9251446</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9498830</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9237959</CurrentTaxYearAmt>
        <TotalAmt>45742946</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp>
        <CurrentTaxYearMinus4YearsAmt>2139230</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2173120</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4239583</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10800234</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2276858</CurrentTaxYearAmt>
        <TotalAmt>21629025</TotalAmt>
      </GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>20866892</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>23282368</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23386512</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>30661691</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>24285568</CurrentTaxYearAmt>
        <TotalAmt>122483031</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>122483031</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>45874</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>122167</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>206785</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>313636</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>71395</CurrentTaxYearAmt>
        <TotalAmt>759857</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>191964</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>165952</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>21251</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>129391</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>210400</CurrentTaxYearAmt>
        <TotalAmt>718958</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>123961846</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>95105725</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.98810</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.98710</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039600001">
      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>30000</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>30000</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>45735243</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>45765243</FilingOrganizationsTotalAmt>
      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>1000000</FilingOrganizationsTotalAmt>
      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
        <FilingOrganizationsTotalAmt>250000</FilingOrganizationsTotalAmt>
      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyExpendMnsLbbyngNonTxGrp>
      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>1000000</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>1000000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>1000000</CurrentYearMinus1Amt>
        <CurrentYearAmt>1000000</CurrentYearAmt>
        <TotalAmt>4000000</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>6000000</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>58750</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>28750</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>31250</CurrentYearMinus1Amt>
        <CurrentYearAmt>30000</CurrentYearAmt>
        <TotalAmt>148750</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>250000</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>250000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>250000</CurrentYearMinus1Amt>
        <CurrentYearAmt>250000</CurrentYearAmt>
        <TotalAmt>1000000</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>1500000</GrassrootsCeilingAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>6614864</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4113511</DepreciationAmt>
        <BookValueAmt>2501353</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>730052</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>614329</DepreciationAmt>
        <BookValueAmt>115723</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>2617076</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO COLORADO ZOOLOGICAL TRUST</Desc>
        <Amt>200</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>200</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>46320903</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-735</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>17095</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>16360</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>46304543</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>46304543</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>47814735</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>17095</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>17095</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>47797640</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>47797640</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>236764</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SUB-SAHARAN AFRICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>67920</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>48140</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>352824</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>352824</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>SUPPORT FOR VIETNAM TONKIN SNUBNOSE RESEARCH AND ACTION PROJECT</PurposeOfGrantTxt>
        <CashGrantAmt>16527</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>SUPPORT FOR IKH NART NATURE RESERVE PROJECT</PurposeOfGrantTxt>
        <CashGrantAmt>118912</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>SUPPORT FOR EMERGENCY KOALA RESCUES DUE TO WILDFIRES</PurposeOfGrantTxt>
        <CashGrantAmt>65633</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CREDIT CARD</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SUB-SAHARAN AFRICA</RegionTxt>
        <PurposeOfGrantTxt>SUPPORT FOR BOTSWANA CONSERVATION RESEARCH AND ACTION FOCUSED ON WILD DOGS, SPRINGBOK, AND VULTURES</PurposeOfGrantTxt>
        <CashGrantAmt>67920</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DENVER ZOO CONSERVATION AWARD</TypeOfAssistanceTxt>
        <RegionTxt>EAST ASIA AND PACIFIC</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>7600</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DENVER ZOO CONSERVATION AWARD</TypeOfAssistanceTxt>
        <RegionTxt>EAST ASIA AND PACIFIC</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>28092</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DENVER ZOO CONSERVATION AWARD</TypeOfAssistanceTxt>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>24500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DENVER ZOO CONSERVATION AWARD</TypeOfAssistanceTxt>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>23640</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL CONSERVATION AND RESEARCH ACTIVITIES CONDUCTED AT THE ZOO, OR SUPPORTED BY DENVER ZOO RESOURCES, REQUIRE SUBMISSION OF WRITTEN PROGRESS REPORTS. REPORTS FOR PROJECTS THAT RECEIVED FINANCIAL SUPPORT FROM THE ZOO MUST INCLUDE A DETAILED ACCOUNTING OF EXPENDITURES. THE REPORTS MUST BE SUBMITTED PRIOR TO DECEMBER 31 OF EACH YEAR OR UPON PROJECT COMPLETION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>FLOCK PARTY</Event1Nm>
        <GrossReceiptsEvent1Amt>222763</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>88249</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>134514</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>134514</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>222763</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>88249</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>134514</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>134514</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>134514</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>0</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NEW MEXICO HIGHLANDS UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 9000</AddressLine1Txt>
          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NM</StateAbbreviationCd>
          <ZIPCd>87701</ZIPCd>
        </USAddress>
        <RecipientEIN>856000406</RecipientEIN>
        <IRCSectionDesc>501 ( C ) ( 3 )</IRCSectionDesc>
        <CashGrantAmt>16000</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR RIO MORA ASSISTANCESHIP</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ROCKY MOUNTAIN WILD</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1536 WYNKOOP ST 900</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80202</ZIPCd>
        </USAddress>
        <RecipientEIN>841512852</RecipientEIN>
        <IRCSectionDesc>501 ( C ) ( 3 )</IRCSectionDesc>
        <CashGrantAmt>12913</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR FRONT RANGE PIKA PROJECT TALLUS MAPPING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CONSERVATION SCIENCE PARTNERS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>11050 PIONEER TRAIL SUITE 202</AddressLine1Txt>
          <CityNm>TRUCKEE</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>96161</ZIPCd>
        </USAddress>
        <RecipientEIN>452504981</RecipientEIN>
        <IRCSectionDesc>501 ( C ) ( 3 )</IRCSectionDesc>
        <CashGrantAmt>11229</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR MONGOLIA AND RIO MORA PROGRAMS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>HERMIT'S PEAK WATERSHED ALLIANCE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>289 COUNTY ROAD A2</AddressLine1Txt>
          <CityNm>SAPELLO</CityNm>
          <StateAbbreviationCd>NM</StateAbbreviationCd>
          <ZIPCd>87745</ZIPCd>
        </USAddress>
        <RecipientEIN>830514816</RecipientEIN>
        <IRCSectionDesc>501 ( C ) ( 3 )</IRCSectionDesc>
        <CashGrantAmt>7500</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR RIO MORA GRASSLAND CONSERVATION PROGRAM</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>SUPPORT FOR PIKA PROJECT APP DEVELOPMENT</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>6000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL CONSERVATION AND RESEARCH ACTIVITIES CONDUCTED AT THE ZOO, OR SUPPORTED BY DENVER ZOO RESOURCES, REQUIRE SUBMISSION OF WRITTEN PROGRESS REPORTS. REPORTS FOR PROJECTS THAT RECEIVED FINANCIAL SUPPORT FROM THE ZOO MUST INCLUDE A DETAILED ACCOUNTING OF EXPENDITURES. THE REPORTS MUST BE SUBMITTED PRIOR TO DECEMBER 31 OF EACH YEAR OR UPON PROJECT COMPLETION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BERT VESCOLANI</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>422777</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>50000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17100</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16609</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>506486</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHARLIE WRIGHT</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>235745</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>23184</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14338</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11737</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>285004</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>AMBER CHRISTOPHER</PersonNm>
        <TitleTxt>SENIOR VP OF GUEST EXPERIENCES</TitleTxt>
        <BaseCompensationFilingOrgAmt>188796</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>18630</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9888</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11843</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>229157</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GEORGE POND</PersonNm>
        <TitleTxt>SENIOR VP OF DESIGN AND CAMPUS MGMT.</TitleTxt>
        <BaseCompensationFilingOrgAmt>172871</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>17388</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10834</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16609</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>217702</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN AUCONE</PersonNm>
        <TitleTxt>SENIOR VP OF ANIMAL SCIENCES</TitleTxt>
        <BaseCompensationFilingOrgAmt>177934</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>17181</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10705</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>6808</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>212628</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JACQUE TAYLOR</PersonNm>
        <TitleTxt>SENIOR VP OF HR</TitleTxt>
        <BaseCompensationFilingOrgAmt>172817</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>17181</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10705</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10814</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>211517</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NOELLE DELAGE</PersonNm>
        <TitleTxt>CDO</TitleTxt>
        <BaseCompensationFilingOrgAmt>163666</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16500</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9138</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16609</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>205913</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARIE REVENEW</PersonNm>
        <TitleTxt>VP OF EXTERNAL RELATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>166680</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16525</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5110</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16609</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>204924</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SCOTT LARSEN</PersonNm>
        <TitleTxt>VP OF ANIMAL HEALTH</TitleTxt>
        <BaseCompensationFilingOrgAmt>147570</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8128</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12890</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>168588</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JARED HARDY</PersonNm>
        <TitleTxt>CREATIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>127022</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8121</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16189</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>151332</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING 2020, TOTAL EMPLOYEE BONUS PAYMENTS WERE APPROVED BY THE BOARD OF GOVERNORS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>11</ContributionCnt>
        <NoncashContributionsRptF990Amt>46833</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>AVERAGE HIGH &amp; LOW VALUE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>ANIMAL CARE</Desc>
        <ContributionCnt>4</ContributionCnt>
        <NoncashContributionsRptF990Amt>8677</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV AT DATE OF DONAT</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>CONSTRUCTION MATERIALS</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>1287</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV AT DATE OF DONAT</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>MISC SUPPLIES</Desc>
        <ContributionCnt>2</ContributionCnt>
        <NoncashContributionsRptF990Amt>684</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV AT DATE OF DONAT</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>1</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 32B:</FormAndLineReferenceDesc>
        <ExplanationTxt>DENVER ZOOLOGICAL FOUNDATION ("DZF") DIRECTS PEOPLE WHO WISH TO DONATE A VEHICLE TO DZF TO A PASS-THROUGH ORGANIZATION, SUCH AS CARS HELPING CHARITIES TO COMPLETE THEIR DONATION. THOSE ORGANIZATIONS COLLECT THE VEHICLE, SELL/DISPOSE OF THE VEHICLE, AND REMIT A PORTION OF THE PROCEEDS TO DZF.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>DUE TO COVID-19 WE WERE REQUIRED TO SIGNIFICANTLY REDUCE PROGRAMMING IN THE EDUCATION SERVICES AND FIELD CONSERVATION AREAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AFTER BEING REVIEWED AND APPROVED BY THE FINANCE AND AUDIT COMMITTEE, A COPY OF THE FORM 990 IS MADE AVAILABLE TO ALL MEMBERS OF THE BOARD OF GOVERNORS. THE FORM 990 IS REVIEWED AND PRESENTED TO THE ZOO'S BOARD OF GOVERNORS AT A BOARD MEETING PRIOR TO ITS FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST QUESTIONNAIRES ARE COMPLETED ANNUALLY BY ALL OFFICERS, DIRECTORS, TRUSTEES, AND KEY EMPLOYEES. TRUSTEES WHO HAVE A BENEFICIAL INTEREST IN A DECISION ARE EXCUSED FROM DISCUSSION AND VOTING RIGHTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE SEVERAL FACTORS, MONETARY AND NONMONETARY, THAT ARE CONSIDERED IN DETERMINING EXECUTIVE COMPENSATION. THESE BUSINESS-RELATED FACTORS INCLUDE: - BUDGET: DOES THE BUDGET ALLOW FOR ANY FLEXIBILITY IN THE OFFER AND WHAT IS THE RELATIVE FINANCIAL HEALTH OF OUR ORGANIZATION? - INTERNAL EQUITY: WHAT ARE OTHER EXECUTIVES IN THE SAME TYPE OF JOB OR AT THE SAME JOB LEVEL BEING PAID? - MARKET PRICE/EXTERNAL DEMANDS: IS THIS JOB DIFFICULT TO FILL OR IS IT HARD TO FIND QUALIFIED CANDIDATES IN THIS LOCATION OR INDUSTRY? - CANDIDATES' LEVEL OF EXPERIENCE: HOW MANY YEARS OF RELEVANT EXPERIENCE DOES THIS PERSON BRING TO THE TABLE? - CANDIDATES' EDUCATION LEVEL: WHAT DEGREES DOES THE PERSON HAVE THAT WILL BENEFIT OUR ORGANIZATION? - CANDIDATES' CURRENT COMPENSATION PACKAGE: WHAT IS THIS PERSON'S CURRENT BASE PAY AND BENEFITS PACKAGE? - SALARY SURVEYS: WHAT ARE OTHER EXECUTIVES IN THE SAME TYPE OF JOB BEING PAID AT OTHER NON-PROFIT ORGANIZATIONS OF THE SAME SIZE? ONCE THE SALARY IS DETERMINED, THE BOARD OF GOVERNORS REVIEWS THIS INFORMATION. A WRITTEN EMPLOYMENT AGREEMENT IS USED FOR THE CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST. THE ZOO'S ARTICLES OF INCORPORATION AND ANNUAL REPORTS ARE ALSO ON FILE WITH THE COLORADO SECRETARY OF STATE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>COLORADO ZOOLOGICAL TRUST</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2300 STEELE STREET</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80205</ZIPCd>
        </USAddress>
        <EIN>841440122</EIN>
        <PrimaryActivitiesTxt>SUPPORT OF THE DENVER ZOOLOGICAL FOUNDATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>DENVER ZOOLOGICAL FOUNDATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>COLORADO ZOOLOGICAL TRUST</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
        <InvolvedAmt>966600</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>COLORADO ZOOLOGICAL TRUST</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>100000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
