Liabilities / Assets
53rd percentile
Higher debt load relative to assets than 53% of similar nonprofits.
EIN 82-2197466 • 501(c)3 • Southampton, MA
Profile
The Corporation is organized and shall at all times be operated exclusively for charitable and educational purposes to help resolve beaver-human conflicts in a humane and science based manner by providing education, supporting scientific research, training mitigation professionals, and increasing public appreciation of the beaver's critical role in creating wetland ecosystems, and carrying on any other activities permitted by Massachusetts law.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
53rd percentile
Higher debt load relative to assets than 53% of similar nonprofits.
Liabilities / Revenue
55th percentile
Higher debt load relative to revenue than 55% of similar nonprofits.
Net Margin
64th percentile
Higher net margin than 64% of similar nonprofits.
Top Officer Pay
75th percentile
Higher top officer pay than 75% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
69th percentile
Faster asset growth than 69% of similar nonprofits.
Revenue Growth
82nd percentile
Faster revenue growth than 82% of similar nonprofits.
Assets
Up$386,441
Up $44,533 (+13%) from 2023
Liabilities
Up$9,530
Up $580 (+6.5%) from 2023
Net Assets
Up$376,911
Up $43,953 (+13%) from 2023
Revenue
Up$354,286
Up $110,585 (+45%) from 2023
Expenses
Up$310,333
Up $123,503 (+66%) from 2023
Net Income
Down$43,953
Down $12,918 (-23%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
SEE ATTACHED STATEMENT
The Corporation is organized and shall at all times be operated exclusively for charitable and educational purposes to help resolve beaver-human conflicts in a humane and science based manner by providing education, supporting scientific research, training mitigation professionals, and increasing public appreciation of the beaver's critical role in creating wetland ecosystems, and carrying on any other activities permitted by Massachusetts law.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $239,908 | $282,336 | ▲ $42,428 |
| Savings and Temporary Cash Investments | - | $101,430 | - |
| Land, Buildings, and Equipment, Net | $90,000 | $0 | ▼ $90,000 |
| Pledges and Grants Receivable | $12,000 | $2,675 | ▼ $9,325 |
| Accounts Receivable | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $341,908 | $386,441 | ▲ $44,533 |
| Other Assets Total | - | $0 | - |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $8,950 | $9,530 | ▲ $580 |
| Total Liabilities | $8,950 | $9,530 | ▲ $580 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $270,178 | $348,011 | ▲ $77,833 |
| Net Assets With Donor Restrictions | $62,780 | $28,900 | ▼ $33,880 |
| Total Net Assets Fund Balance | $332,958 | $376,911 | ▲ $43,953 |
| Total Liabilities and Net Assets / Fund Balance | $341,908 | $386,441 | ▲ $44,533 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | - | $4,800 | $4,800 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Adam Burnett | Executive Director | FT | $92,968 | $92,968 |
| Name | Title |
|---|---|
| Michael Callahan | President |
| Emily Fairfax | Director |
| Rachel Siegel | Director |
| Reese Mercer | Director |
| Sarah Bates | Director |
| Scott McGill | Director |
| John Whipple | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $188,230 |
| Other Expenses | $122,103 |
| Total Fundraising Expense | $8,517 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $72,515 | $13,945 | $6,508 | $92,968 |
| Fees for Services Other | $78,262 | $650 | $613 | $79,525 |
| Other Salaries and Wages | $52,750 | $17,584 | - | $70,334 |
| Other Expenses | $13,984 | - | - | $13,984 |
| Payroll Taxes | $9,917 | $2,496 | $515 | $12,928 |
| Other Employee Benefits | $9,205 | $2,317 | $478 | $12,000 |
| Office Expenses | $6,797 | $1,711 | $353 | $8,861 |
| Fees for Services Accounting | - | $8,223 | - | $8,223 |
| Conferences and Meetings | $5,479 | - | - | $5,479 |
| Advertising | $3,750 | $469 | $50 | $4,269 |
| Insurance | - | $1,762 | - | $1,762 |
| Total Functional Expenses | $252,659 | $49,157 | $8,517 | $310,333 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $178,938 |
| Fundraising Direct Expenses | $176,872 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| BeaverCon | $178,938 | $178,938 | $176,872 | $2,066 |
| Total Events | $178,938 | $178,938 | $176,872 | $2,066 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“No review was or will be conducted.”
“Available upon request.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | true |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 8950 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 9530 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The Corporation is organized and shall at all times be operated exclusively for charitable and educational purposes to help resolve beaver-human conflicts in a humane and science based manner by providing education, supporting scientific research, training mitigation professionals, and increasing public appreciation of the beaver's critical role in creating wetland ecosystems, and carrying on any other activities permitted by Massachusetts law. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 50 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 469 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 3750 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 4269 |
| IRS990/AllOtherContributionsAmt | 0 | 327981 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | false |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Michael Callahan |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4136950484 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 14 Mountain Road |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Southampton |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 010739702 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 239908 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 282336 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 6508 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 13945 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 72515 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 92968 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 5479 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 5479 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 327981 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -44441 |
| IRS990/CYOtherExpensesAmt | 0 | 122103 |
| IRS990/CYOtherRevenueAmt | 0 | 2246 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 68500 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 43953 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 188230 |
| IRS990/CYTotalExpensesAmt | 0 | 310333 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 8517 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 354286 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Maintained a social media presence to raise beaver awareness reaching over 3000 website visitors per month. Emailed self-help information in response to hundreds of beaver inquiries. BeaverCorps Training Program accepted 12 additional trainees and many started installing their first flow devices. Social media presence continued with numerous posts on Facebook, Instagram and the organization's website. Administered the Beaver Management Forum, a Facebook discussion group with over 1400 members. Launched the Connecticut Beaver Initiative, a landowner assistance grant program, to resolve beaver problems non lethally in Connecticut with the financial assistance from the John A. and Jane T. Wiederhold Foundation. Organized the Beaver Climate Coalition group of like-missioned organizations regarding the climate benefits of beaver wetlands. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 62780 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 28900 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 252659 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 8223 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 8223 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 613 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 650 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 78262 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 79525 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Adam Burnett |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Reese Mercer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Scott McGill |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Sarah Bates |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Michael Callahan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | John Whipple |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Emily Fairfax |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Rachel Siegel |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 92968 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Executive Dir. |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 2017 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingDirectExpensesAmt | 0 | 176872 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 178938 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -45871 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 50000 |
| IRS990/GrossReceiptsAmt | 0 | 627029 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1762 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1762 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1430 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1430 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 13 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 4800 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 90000 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 4800 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 95871 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | false |
| IRS990/MissionDesc | 0 | The Corporation is organized and shall at all times be operated exclusively for charitable and educational purposes to help resolve beaver-human conflicts in a humane and science based manner by providing education, supporting scientific research, training mitigation professionals, and increasing public appreciation of the beaver's critical role in creating wetland ecosystems, and carrying on any other activities permitted by Massachusetts law. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 332958 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 376911 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | -45871 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -45871 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 2066 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 270178 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 348011 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 353 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1711 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 6797 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 8861 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 478 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 2317 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 9205 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 12000 |
| IRS990/OtherExpensesGrp/Desc | 0 | GRANT EXPENSE |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 13984 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 13984 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | OTHER |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 180 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 180 |
| IRS990/OtherRevenueTotalAmt | 0 | 180 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 17584 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 52750 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 70334 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 515 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 2496 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 9917 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 12928 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 12000 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 2675 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | Michael Callahan |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | BEAVER CORPS TUITION |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 68500 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 68500 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 206701 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 97453 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 37000 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 56871 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 89377 |
| IRS990/PYTotalExpensesAmt | 0 | 186830 |
| IRS990/PYTotalRevenueAmt | 0 | 243701 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 43953 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 101430 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 3540 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 3500 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt | 0 | 7500 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 11039 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 25579 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 327981 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 206601 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 166166 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 139037 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 68032 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 907817 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 68500 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 37100 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 52316 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 18600 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 37726 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 214242 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.97720 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.70130 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 1096480 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt | 0 | 3540 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt | 0 | 3500 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 7500 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt | 0 | 11039 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 25579 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 396481 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 243701 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 218482 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 157637 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 105758 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 1122059 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 396481 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 243701 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 218482 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 157637 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 105758 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 1122059 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 4800 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 4800 |
| IRS990ScheduleG/AgrmtProfFundraisingActyInd | 0 | false |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 176872 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | BeaverCon |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 178938 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 178938 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt | 0 | 178938 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt | 0 | 178938 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt | 0 | 2066 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt | 0 | 176872 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt | 0 | 176872 |
| IRS990ScheduleG/SpecialFundraisingEventsInd | 0 | X |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | No review was or will be conducted. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Available upon request. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section C, Line 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 341908 |
| IRS990/TotalAssetsEOYAmt | 0 | 386441 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 341908 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 386441 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 327981 |
| IRS990/TotalEmployeeCnt | 0 | 2 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 8517 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 49157 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 252659 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 310333 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 8950 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 9530 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 8950 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 9530 |
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