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        <ProgramServicesAmt>4818</ProgramServicesAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>3297</ProgramServicesAmt>
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        <ProgramServicesAmt>2850</ProgramServicesAmt>
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      <FeesForServicesAccountingGrp>
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        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>630</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <FeesForServicesOtherGrp>
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        <ProgramServicesAmt>1755</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
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      <OfficeExpensesGrp>
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        <ProgramServicesAmt>345</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1093</ManagementAndGeneralAmt>
        <FundraisingAmt>3488</FundraisingAmt>
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      <InformationTechnologyGrp>
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        <ProgramServicesAmt>426</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2614</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
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        <ProgramServicesAmt>7813</ProgramServicesAmt>
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        <ProgramServicesAmt>1211</ProgramServicesAmt>
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        <FundraisingAmt>0</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>14100</ProgramServicesAmt>
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        <FundraisingAmt>0</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Education/other program</Desc>
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        <ProgramServicesAmt>4435</ProgramServicesAmt>
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        <FundraisingAmt>0</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>51916</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6142</ManagementAndGeneralAmt>
        <FundraisingAmt>3488</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
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        <EOYAmt>20233</EOYAmt>
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      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>401473</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>401195</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>11630</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>389565</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>811271</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </TotalLiabilitiesGrp>
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      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>811271</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>697603</BOYAmt>
        <EOYAmt>811271</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>811271</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>113668</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <GiftsGrantsContriRcvd170Grp>
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        <CurrentTaxYearMinus3YearsAmt>61735</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>107578</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>118149</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>159366</CurrentTaxYearAmt>
        <TotalAmt>482775</TotalAmt>
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        <CurrentTaxYearMinus1YearAmt>118149</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>159366</CurrentTaxYearAmt>
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      <SubstantialContributorsTotAmt>71038</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>411737</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>1358</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>396</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>60</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5810</CurrentTaxYearAmt>
        <TotalAmt>9738</TotalAmt>
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      <UnrelatedBusinessNetIncm170Grp>
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      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>708</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1415</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10078</CurrentTaxYearMinus1YearAmt>
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      <PublicSupportCY509Pct>0</PublicSupportCY509Pct>
      <InvestmentIncomeCYPct>0</InvestmentIncomeCYPct>
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        <FormAndLineReferenceDesc>Pt II Ln 10</FormAndLineReferenceDesc>
        <ExplanationTxt>Other Income Part II, Line 10 Description: Fundraising/misc items 2019: 1044. 2020: 708. 2021: 1415. 2022: 10078. 2023: 5788.</ExplanationTxt>
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          <AddressLine2>RESTRICTED</AddressLine2>
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          <State>RESTRICTED</State>
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        <OtherCostOrOtherBasisAmt>132140</OtherCostOrOtherBasisAmt>
        <BookValueAmt>132140</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>9987</DepreciationAmt>
        <BookValueAmt>247568</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
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        <DepreciationAmt>1643</DepreciationAmt>
        <BookValueAmt>9857</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>389565</TotalBookValueLandBuildingsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The articles of incorporation of the Virginia Society of Ornithology (VSO) state that membership in the corporation shall be composed of such persons who apply for membership and pay the Treasurer the prescribed dues.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>VSOs articles of incorporation provide that a majority of members present and voting shall elect the officers and directors of the organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>VSOs board reviewed the 2023 Form 990 before it was filed.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>VSOs policy adopted by the Board in 2021 requires each Board member to review and sign the organizations conflict of interest statement.</ExplanationTxt>
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  </ReturnData>
</Return>
