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      <GrossReceiptsRltdActivitiesAmt>602505</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.99980</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.99960</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <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>
    <IRS990ScheduleD documentId="RetDoc4">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>66193</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>66183</DepreciationAmt>
        <BookValueAmt>10</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>68335</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>56160</DepreciationAmt>
        <BookValueAmt>12175</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>12185</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CREDIT CARD LIABILITIES</Desc>
        <Amt>7269</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>PAYROLL LIABILITIES</Desc>
        <Amt>3913</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>11182</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleL documentId="RetDoc5">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>DR JH CARTER III ASSOCIATES</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SUBCONTRACTOR</RelationshipDescriptionTxt>
        <TransactionDesc>SEE BELOW</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>DR JH CARTER III ASSOCIATES</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>DONOR</RelationshipDescriptionTxt>
        <TransactionDesc>SEE BELOW</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>DR JH CARTER III</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>DONOR</RelationshipDescriptionTxt>
        <TransactionDesc>SEE BELOW</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE L, PART V</FormAndLineReferenceDesc>
        <ExplanationTxt>DR. J.H. CARTER, III IS OWNER OF DR. J.H. CARTER, III &amp; ASSOCIATES, INC. SEI IS SUBCONTRACTED TO CONDUCT ENDANGERED SPECIES POPULATION MONITORING FOR DR. J.H. CARTER, III &amp; ASSOCIATES, INC (JCA). CARTER IS ON THE BOARD AND RECEIVES A TOKEN SALARY FOR SOME OF THE WORK HE PROVIDES. JCA IS SUBCONTRACTED BY SEI TO INSTALL ARTIFICIAL CAVITIES WITHIN CAVITY LIMITED RED-COCKADED WOODPECKER CLUSTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>PROMOTE RECOVERY OF THE ENDANGERED RED-COCKADED WOODPECKER (RCW) THROUGH POPULATION MONITORING, ARTIFICIAL CAVITY MANAGEMENT AND TRANSLOCATION, CONCURRENT WITH CONSERVATION OF LONGLEAF PINE ECOSYSTEMS THAT SUPPORT RCW AND THE ASSOCIATED SUITE OF ANIMAL AND PLANT SPECIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD MEMBERS ELECT OFFICERS AMONGST THEMSELVES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF FORM 990 IS PROVIDED TO THE SECRETARY/TREASURER FOR REVIEW BEFORE IT IS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REGULARLY AND CONSISTENLY MONITORS AND ENFORCES COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>SANDHILLS ECOLOGICAL INSTITUTE, INC. MAKES ITS FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>BOOK / TAX DEPRECIATION DIFFERENCE -19,883</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>