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      <Post1975UBTI>
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        <CurrentTaxYearMinus1Year>0</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>0</CurrentTaxYear>
        <Total>0</Total>
      </Post1975UBTI>
      <InvestmentIncomeAndUBTI>
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        <CurrentTaxYearMinus1Year>0</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>0</CurrentTaxYear>
        <Total>0</Total>
      </NetIncomeFromOtherUBI>
      <OtherIncome509>
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        <CurrentTaxYearMinus1Year>0</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>0</CurrentTaxYear>
        <Total>3493473</Total>
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      <TotalSupportTotal>
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        <CurrentTaxYearMinus1Year>180955690</CurrentTaxYearMinus1Year>
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      <PublicSupportPercentage509>0.97586</PublicSupportPercentage509>
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      <InvestmentIncomePercentage>0.01449</InvestmentIncomePercentage>
      <PriorYrInvestIncomePercentage>0.01555</PriorYrInvestIncomePercentage>
      <ThirtyThreePercntTestsCY509>X</ThirtyThreePercntTestsCY509>
    </IRS990ScheduleA>
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          <AddressLine2>RESTRICTED</AddressLine2>
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        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
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    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
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      <OtherLiabilities>
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      <OtherLiabilities>
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        <Explanation>UNREALIZED GAINS/(LOSSES) ON SWAP TRANSACTION (1,149,000) PENSION-RELATED CHANGES OTHER THAN NET PERIODIC PENSION (17,330,000) __________ (18,479,000)</Explanation>
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      <Form990ScheduleDPartXIV>
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      <AcctsActvsOutUSTable>
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      <AcctsActvsOutUSTable>
        <Region>Europe (Including Iceland and Greenland)</Region>
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      <AcctsActvsOutUSTable>
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      <GrantsToOrgsOutsideUS>
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        <Explanation>THE ORGANIZATION UTILIZES INDEPENDENT CONTRACTORS TO MONITOR OUR ACTIVITIES OUTSIDE THE UNITED STATES. EXPENSES USING GRANT FUNDS OUTSIDE THE US ARE DOCUMENTED WITH RECEIPTS FROM THE COUNTRY IN WHICH THEY ARE SPENT. RECEIPTS ARE SENT TO AND RETAINED BY THE ZOOLOGICAL SOCIETY OF SAN DIEGO.</Explanation>
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      <LicensedStates>AR</LicensedStates>
      <LicensedStates>CA</LicensedStates>
      <LicensedStates>CT</LicensedStates>
      <LicensedStates>FL</LicensedStates>
      <LicensedStates>HI</LicensedStates>
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      <LicensedStates>UT</LicensedStates>
      <LicensedStates>WA</LicensedStates>
      <LicensedStates>WV</LicensedStates>
      <LicensedStates>WI</LicensedStates>
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        <GrossReceiptsTotal>2185524</GrossReceiptsTotal>
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        <DirectExpenseSummaryEvents>649591</DirectExpenseSummaryEvents>
        <NetIncomeSummary>-57760</NetIncomeSummary>
      </EventsInformation>
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        <ReturnReference>FORM 990 SCHEDULE G PART I COLUMN V</ReturnReference>
        <Explanation>ALL PROFESSIONAL FUNDRAISING SERVICES BILL FOR SERVICES ONLY BASED ON AN AGREED UPON RATE AND DO NOT GET REIMBURSED FOR EXPENSES.</Explanation>
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          <AddressLine1>9014 THOMPSON NURSERY</AddressLine1>
          <City>WINTERHAVEN</City>
          <State>FL</State>
          <ZIPCode>97296</ZIPCode>
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        <EINOfRecipient>411806527</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>38258</AmountOfCashGrant>
        <PurposeOfGrant>WORLD PARROT TRUST SUPPORT</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>GIANT PANDA CONSERVATION FOUNDATION</BusinessNameLine1>
        </RecipientNameBusiness>
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          <AddressLine1>8403 COLESVILLE RD</AddressLine1>
          <AddressLine2>STE 710</AddressLine2>
          <City>SILVER SPRINGS</City>
          <State>MD</State>
          <ZIPCode>20910</ZIPCode>
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        <EINOfRecipient>521931417</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>32750</AmountOfCashGrant>
        <PurposeOfGrant>CHINA EARTHQUAKE RELIEF FUND</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>INTERNATIONAL ELEPHANT FOUNDATION</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>PO BOX 366</AddressLine1>
          <City>AZLE</City>
          <State>TX</State>
          <ZIPCode>76098</ZIPCode>
        </AddressUS>
        <EINOfRecipient>752815706</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>30000</AmountOfCashGrant>
        <PurposeOfGrant>ANNUAL SUPPORT FUNDS</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>INTERNATIONAL RHINO FOUNDATION</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>581705 WHITE OAK RD</AddressLine1>
          <City>YULEE</City>
          <State>FL</State>
          <ZIPCode>32097</ZIPCode>
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        <EINOfRecipient>752395006</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>30000</AmountOfCashGrant>
        <PurposeOfGrant>IRF ANNUAL SUPPORT FUNDS</PurposeOfGrant>
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          <BusinessNameLine1>SAHARA CONSERVATION FUND</BusinessNameLine1>
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          <AddressLine1>C/O ST LOUIS ZOO</AddressLine1>
          <AddressLine2>ONE GOVERNMENT DR</AddressLine2>
          <City>ST LOUIS</City>
          <State>MO</State>
          <ZIPCode>63110</ZIPCode>
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        <EINOfRecipient>431727309</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>30000</AmountOfCashGrant>
        <PurposeOfGrant>CONSERVATION SUPPORT</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>ST LOUIS ZOO FRIENDS ASSN</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>ONE GOVERNMENT DR</AddressLine1>
          <City>ST LOUIS</City>
          <State>MO</State>
          <ZIPCode>63110</ZIPCode>
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        <EINOfRecipient>431727309</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>25000</AmountOfCashGrant>
        <PurposeOfGrant>CONSERVATION OF GREVY'S ZEBRA</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>THE WILDS</BusinessNameLine1>
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        <AddressUS>
          <AddressLine1>14000 INTERNATIONAL RD</AddressLine1>
          <City>CUMBERLAND</City>
          <State>OH</State>
          <ZIPCode>43732</ZIPCode>
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        <EINOfRecipient>311113570</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>20000</AmountOfCashGrant>
        <PurposeOfGrant>SUPPORT FOR C2S2 PROJECT</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>GIANT PANDA CONSERVATION FOUNDATION</BusinessNameLine1>
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          <AddressLine1>8403 COLESVILLE RD</AddressLine1>
          <AddressLine2>STE 710</AddressLine2>
          <City>SILVER SPRINGS</City>
          <State>MD</State>
          <ZIPCode>20910</ZIPCode>
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        <EINOfRecipient>521931417</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>16000</AmountOfCashGrant>
        <PurposeOfGrant>ANNUAL SUPPORT</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>AZA</BusinessNameLine1>
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        <AddressUS>
          <AddressLine1>8403 COLESVILLE RD</AddressLine1>
          <City>SILVER SPRINGS</City>
          <State>MD</State>
          <ZIPCode>20910</ZIPCode>
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        <EINOfRecipient>550526930</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>15000</AmountOfCashGrant>
        <PurposeOfGrant>ANNUAL CONFERENCE</PurposeOfGrant>
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          <BusinessNameLine1>CGSBCONSERVATIVE BR</BusinessNameLine1>
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        <AddressUS>
          <AddressLine1>12101 JOHNNYCAKE RDG</AddressLine1>
          <City>APPLE VALLEY</City>
          <State>MN</State>
          <ZIPCode>55124</ZIPCode>
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        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>12500</AmountOfCashGrant>
        <PurposeOfGrant>IUCN/SSC CONSERVATION BREEDING</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>SMITHSONIAN INSTITUTION</BusinessNameLine1>
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        <AddressUS>
          <AddressLine1>CONSERV RESEARCH CTR</AddressLine1>
          <City>FRONT ROYAL</City>
          <State>VA</State>
          <ZIPCode>22630</ZIPCode>
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        <EINOfRecipient>530206027</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>12500</AmountOfCashGrant>
        <PurposeOfGrant>2010 ADVANCE PROGRAM C2S2</PurposeOfGrant>
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          <BusinessNameLine1>PT LOMA NAZARENE</BusinessNameLine1>
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          <State>DC</State>
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        <PurposeOfGrant>AAM 2010 ANNUAL MEETING SUPPORT</PurposeOfGrant>
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          <BusinessNameLine1>AZA</BusinessNameLine1>
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          <City>SILVER SPRINGS</City>
          <State>MD</State>
          <ZIPCode>20910</ZIPCode>
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        <PurposeOfGrant>APE TAG CONSERVATION INITIATIVE</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>CBSGCONSERVATION BR</BusinessNameLine1>
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          <City>APPLE VALLEY</City>
          <State>MN</State>
          <ZIPCode>55124</ZIPCode>
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        <IRCSection>501(C)(3)</IRCSection>
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        <PurposeOfGrant>SPECIES CONSERVATION MEETING</PurposeOfGrant>
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      <RecipientTable>
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          <BusinessNameLine1>INTERNATIONAL IGUANA FOUNDATION</BusinessNameLine1>
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          <City>FT WORTH</City>
          <State>TX</State>
          <ZIPCode>76110</ZIPCode>
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        <EINOfRecipient>752954637</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>10000</AmountOfCashGrant>
        <PurposeOfGrant>ANNUAL SUPPORT FUNDS</PurposeOfGrant>
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          <State>OR</State>
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        <BaseCompensationFilingOrg>147562</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>109</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>20458</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>115871</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>4608</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>288608</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Ted Molter</NamePerson>
        <BaseCompensationFilingOrg>140533</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>104</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>26552</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>56257</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>2699</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>226145</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Donald Janssen</NamePerson>
        <BaseCompensationFilingOrg>135413</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>101</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>19609</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>205213</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>4306</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>364642</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>David Rice</NamePerson>
        <BaseCompensationFilingOrg>121900</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>45</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>17470</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>205225</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>4765</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>349405</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartIII>
        <Identifier>COMPANION TRAVEL</Identifier>
        <ReturnReference>FORM 990, SCHEDULE J, PART 1, QUESTION 1A</ReturnReference>
        <Explanation>THE CHIEF EXECUTIVE OFFICER'S EMPLOYMENT AGREEMENT ALLOWS FOR COMPANION TRAVEL, WHICH IS REPORTED AS TAXABLE INCOME ON HIS W-2 AT THE END OF THE YEAR.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="IRS990ScheduleK">
      <Form990ScheduleKPartI>
        <IssuerName>
          <BusinessNameLine1>ABAG FINANCE AUTHORITY FOR NON-PROFIT CORPORATIONS</BusinessNameLine1>
        </IssuerName>
        <IssuerEIN>943130123</IssuerEIN>
        <CUSIPNumber>00037CGJ3</CUSIPNumber>
        <DateIssued>2004-06-04</DateIssued>
        <IssuePrice>45000000</IssuePrice>
        <DescriptionOfPurpose>CONSTRUCTION/IMPROVE FACILITIES</DescriptionOfPurpose>
        <Defeased>false</Defeased>
        <OnBehalfOfIssuer>false</OnBehalfOfIssuer>
        <PoolFinancing>false</PoolFinancing>
      </Form990ScheduleKPartI>
      <Form990ScheduleKPartII>
        <AmountRetired>0</AmountRetired>
        <AmountBondDefeased>0</AmountBondDefeased>
        <TotalProceeds>47672414</TotalProceeds>
        <AmountInReserveFund>0</AmountInReserveFund>
        <CapitalizedInterest>0</CapitalizedInterest>
        <RefundingEscrow>0</RefundingEscrow>
        <IssuanceCostsFromProceeds>711980</IssuanceCostsFromProceeds>
        <CreditEnhancement>0</CreditEnhancement>
        <WorkingCapitalExpenditures>0</WorkingCapitalExpenditures>
        <CapitalExpenditures>46960434</CapitalExpenditures>
        <OtherSpentProceeds>0</OtherSpentProceeds>
        <AmountUnspent>0</AmountUnspent>
        <YearOfSubstCompletion>2007</YearOfSubstCompletion>
        <CurrentRefunding>false</CurrentRefunding>
        <AdvanceRefunding>false</AdvanceRefunding>
        <FinalAllocationMade>true</FinalAllocationMade>
        <AdequateBooksAndRecdsMaintaind>true</AdequateBooksAndRecdsMaintaind>
      </Form990ScheduleKPartII>
      <Form990ScheduleKPartIII>
        <OwningBondFinancedProperty>false</OwningBondFinancedProperty>
        <AnyLeaseArrangements>false</AnyLeaseArrangements>
        <MngmentCntrctBondFinancdPrprty>false</MngmentCntrctBondFinancdPrprty>
        <AnyResearchAgreements>false</AnyResearchAgreements>
        <BondCounselRoutinelyEngaged>false</BondCounselRoutinelyEngaged>
        <PrcntgePrvtBusinessUseByOthers>0.00000</PrcntgePrvtBusinessUseByOthers>
        <PercentageOfPrvtBusinessReUBI>0.00000</PercentageOfPrvtBusinessReUBI>
        <TotalPrivateBusinessUse>0.00000</TotalPrivateBusinessUse>
        <PostIssuanceComplianceProcdrs>true</PostIssuanceComplianceProcdrs>
      </Form990ScheduleKPartIII>
      <Form990ScheduleKPartIV>
        <Form8038TFiled>false</Form8038TFiled>
        <VariableRateIssue>true</VariableRateIssue>
        <HedgeIdentifiedInBooksAndRecds>true</HedgeIdentifiedInBooksAndRecds>
        <NameOfHedgeProvider>
          <BusinessNameLine1>BANK OF AMERICA</BusinessNameLine1>
        </NameOfHedgeProvider>
        <TermOfHedge>30.</TermOfHedge>
        <SuperintegratedHedge>false</SuperintegratedHedge>
        <HedgeTerminated>false</HedgeTerminated>
        <GrossProceedsInvestedInGIC>false</GrossProceedsInvestedInGIC>
        <GrossProceedsInvested>false</GrossProceedsInvested>
        <ExceptionToRebate>false</ExceptionToRebate>
      </Form990ScheduleKPartIV>
    </IRS990ScheduleK>
    <IRS990ScheduleL documentId="IRS990ScheduleL">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>KAREN WIESE</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>SPOUSE OF KEY EMPLOYEE</Relationship>
        <AmountOfTransaction>47443</AmountOfTransaction>
        <DescriptionOfTransaction>REPORTABLE COMPENSATION</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>NEIL PISK</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BROTHER OF KEY EMPLOYEE</Relationship>
        <AmountOfTransaction>13580</AmountOfTransaction>
        <DescriptionOfTransaction>REPORTABLE COMPENSATION</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="IRS990ScheduleM">
      <WorksOfArt />
      <ArtHistoricalTreasures />
      <ArtFractionalInterest />
      <BooksAndPublications />
      <ClothingAndHouseholdGoods />
      <CarsAndOtherVehicles>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>42</NumberOfContributions>
        <NoncashContribsRptdF990>31008</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </CarsAndOtherVehicles>
      <BoatsAndPlanes />
      <IntellectualProperty />
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>27</NumberOfContributions>
        <NoncashContribsRptdF990>206986</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>STOCK PRICE</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <SecuritiesCloselyHeldStock />
      <SecuritiesPrtnrshpTrustIntrsts />
      <SecuritiesMiscellaneous />
      <QualifiedContribHistStruct />
      <QualifiedContribOther />
      <RealEstateResidential />
      <RealEstateCommercial />
      <RealEstateOther />
      <Collectibles />
      <FoodInventory />
      <DrugsAndMedicalSupplies />
      <Taxidermy />
      <HistoricalArtifacts />
      <ScientificSpecimens />
      <ArchaeologicalArtifacts />
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>DONATED AUCTION ITEMS</Description>
        <NumberOfContributions>17</NumberOfContributions>
        <NoncashContribsRptdF990>130682</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <NumberOf8283Received>0</NumberOf8283Received>
      <AnyPropertyThatMustBeHeld>false</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>true</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>true</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>THIRD PARTIES HIRED TO PROCESS NONCASH CONTRIBUTIONS</Identifier>
        <ReturnReference>SCHEDULE M LINE 32A</ReturnReference>
        <Explanation>THE ZOOLOGICAL SOCIETY HAS AN AGREEMENT WITH A THIRD PARTY VEHICLE DONATION PROCESSER. THE ZOOLOGICAL SOCIETY USES A BROKER TO SELL PUBLICLY TRADED SECURITIES DONATED TO THE ORGANIZATION.</Explanation>
      </Form990ScheduleMPartII>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>DESCRIPTION OF CLASSES OF MEMBERS OR STOCKHOLDERS</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 6</ReturnReference>
        <Explanation>THE ZOOLOGICAL SOCIETY OF SAN DIEGO HAS OVER 250,000 MEMBERS (INCLUDING DUAL MEMBERSHIPS CONSISTING OF TWO ADULT MEMBERS OF AN IMMEDIATE HOUSEHOLD ISSUED AN INDIVISIBLE INTEREST IN A SINGLE ANNUAL MEMBERSHIP).</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>DESCRIPTION OF CLASSES OF PERSONS AND THE NATURE OF THEIR RIGHTS</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 7A</ReturnReference>
        <Explanation>MEMBERS MAY NOMINATE TRUSTEES TO SUCCEED TRUSTEES WHOSE TERMS OF OFFICE ARE EXPIRING, IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF ARTICLE VI, SECTION 3(b) OF THE BYLAWS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>DESCR CLASSES OF PERSONS, DECISIONS REQUIRING APPR &amp; TYPE OF VOTING RIGHTS</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 7B</ReturnReference>
        <Explanation>ANY ADOPTION, AMENDMENT OR REPEAL OF THE BYLAWS BY THE BOARD OF TRUSTEES WHICH WOULD MATERIALLY AND ADVERSELY AFFECT THE RIGHTS OF MEMBERS AS TO VOTING OR TRANSFER SHALL REQUIRE APPROVAL OF THE MEMBERS PURSUANT TO ARTICLE XVI OF THE BYLAWS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>DESCRIBE THE PROCESS USED BY MANAGEMENT &amp;/OR GOVERNING BODY TO REVIEW 990</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 11B</ReturnReference>
        <Explanation>A DRAFT OF THE 990 AND ALL REQUIRED SCHEDULES WAS DISTRIBUTED ELECTRONICALLY TO OUR GENERAL COUNSEL, DIRECTOR OF HUMAN RESOURCES, DIRECTOR OF DEVELOPMENT &amp; MEMBERSHIP AND THE OFFICERS OF THE ORGANIZATION. FOLLOWING THEIR REVIEW, THE 990 AND SUPPORTING SCHEDULES WERE REVIEWED BY AN OUTSIDE TAX PREPARER AND THEN DISTRIBUTED EITHER ELECTRONICALLY OR IN PAPER FORM TO THE AUDIT COMMITTEE AND THE BOARD OF TRUSTEES FOR REVIEW PRIOR TO BEING FILED WITH THE IRS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>DESCRIPTION OF PROCESS TO MONITOR TRANSACTIONS FOR CONFLICTS OF INTEREST</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 12C</ReturnReference>
        <Explanation>OFFICERS, DIRECTORS OR TRUSTEES AND KEY EMPLOYEES ARE REQUIRED TO COMPLETE AND SIGN A CONFLICT OF INTEREST DISCLOSURE FORM ANNUALLY. THE HUMAN RESOURCES DIRECTOR AND GENERAL COUNSEL FOLLOW UP ON ANY ISSUES REVEALED ON THE DISCLOSURE FORM. IN ADDITION, THEY FOLLOW UP ON ISSUES THAT MAY ARISE THROUGHOUT THE YEAR. IF A CONFLICT EXISTS, APPROPRIATE ACTION IS TAKEN, SUCH AS PROHIBITING PARTICIPATING IN THE GOVERNING BODY'S DELIBERATIONS AND DECISIONS IN THE TRANSACTION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>OFFICES &amp; POSITIONS FOR WHICH PROCESS WAS USED, &amp; YEAR PROCESS WAS BEGUN</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTIONS 15A &amp; 15B</ReturnReference>
        <Explanation>THE BOARD OF TRUSTEES HAS A CHARTERED COMPENSATION COMMITTEE, FORMED IN 2005. EACH YEAR, THE COMPENSATION COMMITTEE REVIEWS AND CONFIRMS THE EXECUTIVE TEAM'S SALARIES. IN 2008, AN OUTSIDE COMPENSATION FIRM PERFORMED A COMPREHENSIVE SALARY SURVEY OF THE ENTIRE EXECUTIVE TEAM. IN 2010, THE EXECUTIVE TEAM'S INCREASES WERE BASED ON THE SOCIETY'S STANDARDIZED MERIT BASED INCREASE PROGRAM. THE EXECUTIVE TEAM INCLUDES: CHIEF EXECUTIVE OFFICER, CHIEF OPERATING OFFICER, CHIEF FINANCIAL OFFICER, CHIEF DEVELOPMENT OFFICER, DIRECTOR-SAN DIEGO ZOO SAFARI PARK, DIRECTOR-SAN DIEGO ZOO, CHIEF LIFE SCIENCES OFFICER, DIRECTOR-VETERINARY SERVICES, CHIEF TECHNOLOGY OFFICER, CHIEF CONSERVATION OFFICER, CORPORATE DIRECTOR OF MARKETING &amp; CORPORATE DIRECTOR OF ANIMAL HEALTH.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>AVAIL OF GOV DOCS, CONFLICT OF INTEREST POLICY, &amp; FIN STMTS TO GEN PUBLIC</Identifier>
        <ReturnReference>FORM 990, PART VI, QUESTION 19</ReturnReference>
        <Explanation>BYLAWS, ARTICLES OF INCORPORATION, THE CONFLICT OF INTEREST POLICY AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST. THE ANNUAL REPORT IS AVAILABLE UPON REQUEST AND IS POSTED ON THE ZOOLOGICAL SOCIETY'S WEBSITE. THE AUDITED FINANCIAL STATEMENT IS ALSO AVAILABLE ON THE ZOOLOGICAL SOCIETY'S WEBSITE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>ENDOWMENT FUNDS</Identifier>
        <ReturnReference>FORM 990, SCHEDULE D, PART V</ReturnReference>
        <Explanation>THE ENDING BALANCE FROM TWO YEARS BACK IN COLUMN C LINE 1G AND THE BEGINNING BALANCE FROM LAST YEAR IN COLUMN B LINE 1A REFLECT A DIFFERENE DUE TO A RECLASSIFICATION OF FUNDS FROM DONATION REVENUE TO AN ENDOWMENT.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5</ReturnReference>
        <Explanation>UNREALIZED GAINS/(LOSSES) ON SWAP TRANSACTION (1,149,000) NET UNREALIZED GAINS ON INVESTMENTS 6,401,000 PENSION RELATED CHANGES OTHER THAN NET PERIODIC PENSION (17,330,000) ROUNDING (33) ____________ (12,077,967)</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>INCREASE IN OTHER COMPENSATION</Identifier>
        <ReturnReference>FORM 990, PART VII, SECTION A, LINE 1A, COLUMN F</ReturnReference>
        <Explanation>OTHER COMPENSATION INCLUDES RETIREMENT, OTHER DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS. THE AMOUNT SHOWN INCLUDES EFFECTS FROM A REDUCTION IN THE DISCOUNT RATE AND A PENSION PLAN AMENDMENT IN 2010 FOR THE DEFERRED BENEFITS PENSION FOR NON-UNION EMPLOYEES.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>FNDTN OF ZOOLOGICAL SOCIETY OF SAN DIEGO</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>PO BOX 120551</AddressLine1>
          <City>SAN DIEGO</City>
          <State>CA</State>
          <ZIPCode>92122</ZIPCode>
        </AddressUS>
        <EIN>208456251</EIN>
        <PrimaryActivities>SUPPORTING</PrimaryActivities>
        <LegalDomicileState>CA</LegalDomicileState>
        <ExemptCodeSection>501(c)3</ExemptCodeSection>
        <PublicCharityStatus>11A</PublicCharityStatus>
        <ControlledOrg>true</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>false</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>false</SharingOfFacilities>
      <SharingOfPaidEmployees>false</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>false</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
  </ReturnData>
</Return>