Funding search · EIN 330683174 · New York, NY
The Margot Marsh Biodiversity Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 75
- grants reported
- $1.9M
- total given
- 2022–2025
- filing years
- $20,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
conservationprimatecongoendangeredcommunitygorillaberingeigraueri
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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14 grants matching “endangered” · $237,900
- $25,000
Rewild · Austin, TX · 2025
List of the world's 25 most endangered primates a meeting at the xxx congress of the international primatological society, antananarivo madagascar
- $25,000
Rewild · Austin, TX · 2025
The use of drones to improve forest surveillance, monitoring and the conservation of cercopithecus roloway and colobus vellerosus; two critically endangered primate species in the tanoe-ehy forest, southeastern cote d'i… read allThe use of drones to improve forest surveillance, monitoring and the conservation of cercopithecus roloway and colobus vellerosus; two critically endangered primate species in the tanoe-ehy forest, southeastern cote d'ivoire less
- $20,000
Bonobo Conservation Initiative · Washington, DC · 2025
Protecting endangered bonobos (pan paniscus) and a critical biodiversity corridor in the congo rainforest (lilungu, tshuapa province, democratic republic of congo)
- $15,700
Ohio State University · 2025
Community-led conservation of the critically endangered roloway monkey and endangered white-naped mangabey through sustainable nature-based solutions in the western region of ghana, west africa
- $11,200
New Nature Foundation · Philadelphia, PA · 2025
Safeguarding habitat for endangered ashy red colobus and other species in western uganda through expansion of biomass briquette production
- $18,000
Fauna & Flora International · Washington, DC · 2024
Conservation of myanmars endemic, critically endangered popa langur (trachypithecus popa) myanmar, phase i
- $10,000
Pan African Sanctuary Alliance · Beaverton, OR · 2024
Protecting endangered chimpanzees (pan troglodytes schweinfurthii) through human-chimpanzee conflict reduction in kagadi district, uganda
- $10,000
Conservation Impact · Evergreen, CO · 2024
Improved monitoring of critically endangered tonkin snub-nosed monkeys
- $18,000
Duke University · Durham, NC · 2023
Developing collaborative conservation practices for critically endangered lemur species at parc ivoloina, madagascar
- $25,000
Rewild · Austin, TX · 2022
Support for the list of the world's 25 most endangered primates
- $20,000
New Nature Foundation · Philadelphia, PA · 2022
Evolving community conservation for long-term preservation of uganda's kibale national park for endangered ashy red colobus, eastern chimpanzee and ten additional primate species and ten additional primate species.
- $15,000
Conservation Impact · Evergreen, CO · 2022
Sustainable conservation of critically endangered tonkin snub-nosed monkeys
- $15,000
Western Washington University · Bellingham, WA · 2022
Conservation of tarsius sangirensis, one of the world's 25 most endangered primates: a continuation of suite 16 -identifying 16 or more tarsiers of the genus tarsius in a cryptic species complex once classified as a sin… read allConservation of tarsius sangirensis, one of the world's 25 most endangered primates: a continuation of suite 16 -identifying 16 or more tarsiers of the genus tarsius in a cryptic species complex once classified as a single species on sulawesi, with an added emphasis on tarsius sangirensis less
- $10,000
Gorilla Doctors · Davis, CA · 2022
Volcanoes national park (rwanda) expansion what are the potential health risks for endangered mountain gorillas?
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Rewild18 grants · $849,800
- Gorilla Rehabilitation and Conservation Education7 grants · $165,000
- Fauna & Flora International6 grants · $116,000
- Friends of Bonobos4 grants · $97,000
- Wild Earth Allies4 grants · $90,000
- New Nature Foundation4 grants · $71,200
- Cincinnati Zoo and Botanical Gardens2 grants · $50,000
- International Primatological Society2 grants · $40,000
- Lincoln Park Zoo2 grants · $40,000
- The Kasiisi Project3 grants · $39,500
Giving over time
Grant history
All 75 reported grants, largest first.
- $150,000
Rewild · Austin, TX · 2025
2025 primate action fund
- $150,000
Rewild · Austin, TX · 2024
2024 primate action fund
- $150,000
Rewild · Austin, TX · 2023
Primate action fund: 2023-2024
- $150,000
Rewild · Austin, TX · 2022
Primate action fund: 2022-2023
- $30,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2022
Conservation and monitoring of gorilla beringei graueri and biodiversity in tayna nature reserve, north kivu, dr congo
- $25,000
Cloud Forest Fund · Manhasset Hill, NY · 2025
Saving the critical habitat of the world's rarest monkey: the tonkin snub-nosed monkey habitat in khau ca forest, vietnam
- $25,000
Friends of Bonobos · Durham, NC · 2025
Third reintroduction of bonobos, pan paniscus, at ekolo ya bonobo community reserve, drc
- $25,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2025
Usala conservation corridor to protect grauer's gorillas (gorilla beringei graueri), north kivu, dr congo
- $25,000
Rewild · Austin, TX · 2025
List of the world's 25 most endangered primates a meeting at the xxx congress of the international primatological society, antananarivo madagascar
- $25,000
Rewild · Austin, TX · 2025
The use of drones to improve forest surveillance, monitoring and the conservation of cercopithecus roloway and colobus vellerosus; two critically endangered primate species in the tanoe-ehy forest, southeastern cote d'i… read allThe use of drones to improve forest surveillance, monitoring and the conservation of cercopithecus roloway and colobus vellerosus; two critically endangered primate species in the tanoe-ehy forest, southeastern cote d'ivoire less
- $25,000
Cincinnati Zoo and Botanical Gardens · Cincinnati, OH · 2024
Indigenous communities perspectives in congo conservation, wildlife and wellbeing
- $25,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2024
Usala conservation corridor to protect grauer's gorilla (gorilla beringei graueri), north kivu, dr
- $25,000
Grace · Niwot, NC · 2024
Usala conservation corridor to protect grauers gorillas (gorilla beringei graueri), north kivu, dr congo
- $25,000
International Primatological Society · Milwaukee, WI · 2024
Primate conservation: the basics & beyond the pre-congress training program of the international primatological society
- $25,000
New Nature Foundation · Philadelphia, PA · 2024
Increasing community conservation impact for the long-term preservation of uganda's kibale national park for ashy red colobus, eastern chimpanzees and 10 additional primate species
- $25,000
Rewild · Austin, TX · 2024
Conservation of hecks macaque (macaca hecki) and jatnas tarsier (tarsius supriatnai) at the nantu forest, sulawesi, indonesia
- $25,000
Rewild · Austin, TX · 2024
Third congress of the african primatological society
- $25,000
Wild Earth Allies · Chevy Chase, MD · 2024
Conservation of grauers gorilla (gorilla beringei graueri) in democratic republic of the congo
- $25,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2023
Conservation corridor to protect grauer's gorillas (gorilla beringei graueri), north kivu, drc
- $25,000
Wild Earth Allies · Chevy Chase, MD · 2023
Conservation of grauer's gorilla (gorilla beringei graueri) in democratic republic of congo
- $25,000
Cincinnati Zoo and Botanical Gardens · Cincinnati, OH · 2022
Knowledge, attitudes and practices towards a holistic approach to conservation in logging concessions
- $25,000
Friends of Bonobos · Durham, NC · 2022
Conservation of bonobos, pan paniscus, in the democratic republic of congo
- $25,000
Rewild · Austin, TX · 2022
Sustaining the ise forest conservation area to save the chimpanzee population in ekiti state, southwestern nigeria
- $25,000
Rewild · Austin, TX · 2022
Support for the list of the world's 25 most endangered primates
- $25,000
Rewild · Austin, TX · 2022
The primate tourism app: making responsible primate tourism free and accessible to all
- $24,000
Friends of Bonobos · Durham, NC · 2024
Monitoring rewilded bonobos at ekolo ya bonobo community reserve
- $23,000
Friends of Bonobos · Durham, NC · 2023
Third reintroduction of bonobos, pan paniscus, at ekolo ya bonobo community reserve, drc
- $20,000
Bonobo Conservation Initiative · Washington, DC · 2025
Protecting endangered bonobos (pan paniscus) and a critical biodiversity corridor in the congo rainforest (lilungu, tshuapa province, democratic republic of congo)
- $20,000
Fauna & Flora International · Washington, DC · 2025
Community-based conservation of the myanmar snub-nosed monkey (rhinopithecus strykeri), myanmar phase iv
- $20,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2025
Usala conservation corridor to protect grauer's gorillas (gorilla beringei graueri), north kivu, drc
- $20,000
Lincoln Park Zoo · Chicago, IL · 2025
Conservation of western lowland gorillas (gorilla gorilla gorilla) and central chimpanzees (pan troglodytes troglodytes) in the congo basin
- $20,000
Wild Earth Allies · Chevy Chase, MD · 2025
Conservation of the blue monkey (cercopithecus mitis) on idjwi island, democratic republic of the congo
- $20,000
Biodiversity Group · 2024
Conservation of globally threatened phayres langur, trachypithecus phayrei, and capped langur, t. Pileatus, in bangladesh
- $20,000
Lincoln Park Zoo · Chicago, IL · 2024
Conservation of western lowland gorillas (gorilla gorilla gorilla) and central chimpanzees (pan troglodytes troglodytes) in the congo basin
- $20,000
Fauna & Flora International · Washington, DC · 2023
Securing the future of delacour's langur in kim bang district, vietnam
- $20,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2023
Establishing reserve des gorilles d'usala conservation corridor to protect grauer's gorillas, north kivu, drc
- $20,000
Princeton University · Princeton, NJ · 2023
Population viability analysis for the long-tailed macaque (macaca fascicularis) in southeast asia by the iucn cpsg collaboration with the ltm project
- $20,000
Conservation International · Arlington, VA · 2022
Conservation of pennant's red colobus and other threatened primates on bioko island and mainland equatorial guinea
- $20,000
Fauna & Flora International · Washington, DC · 2022
Community-based conservation of the myanmar snub-nosed monkey (rhinopithecus strykeri), myanmar
- $20,000
Fauna & Flora International · Washington, DC · 2022
Ensuring a future for tonkin snub-nosed monkey (rhinopithecus avunculus) thru improved protection and reintroduction planning in ha giang province, vietnam
- $20,000
Gorilla Rehabilitation and Conservation Education · Niwot, CO · 2022
Build a community shield to protect grauer's gorillas (gorilla beringei graueri) in tayna nature reserve, congo
- $20,000
New Nature Foundation · Philadelphia, PA · 2022
Evolving community conservation for long-term preservation of uganda's kibale national park for endangered ashy red colobus, eastern chimpanzee and ten additional primate species and ten additional primate species.
- $20,000
Wild Earth Allies · Chevy Chase, MD · 2022
Conservation of grauer's gorilla (gorilla beringei graueri) in democratic republic of congo
- $18,000
Fauna & Flora International · Washington, DC · 2024
Conservation of myanmars endemic, critically endangered popa langur (trachypithecus popa) myanmar, phase i
- $18,000
Duke University · Durham, NC · 2023
Developing collaborative conservation practices for critically endangered lemur species at parc ivoloina, madagascar
- $18,000
Fauna & Flora International · Washington, DC · 2023
Community-based conservation of the myanmar snub-nosed monkey (rhinopithecus strykeri), myanmar
- $18,000
University of Oregon · Eugene, OR · 2023
Determination of species identity for red colobus monkeys in the eastern democratic republic of congo
- $16,000
North Carolina Zoo · Asheboro, NC · 2023
Learning best practices/red colobus (piliocolobus) conservation ed: travel support/african nationals to attend conservation ed workshop/iccb 2023 in rwanda
- $15,700
Ohio State University · 2025
Community-led conservation of the critically endangered roloway monkey and endangered white-naped mangabey through sustainable nature-based solutions in the western region of ghana, west africa
- $15,000
University of Illinois Urbana Champaign · Urbana, IL · 2025
Monitoring ontogenetic changes in wild chimpanzee (pan troglodytes) gut microbiota at kibale national park, uganda
- $15,000
University of Georgia · Athens, GA · 2024
Comparative study of resilience and adaptive plasticity to anthropogenic habitat change of the sympatric purple-faced langur, semnopithecus vetulus, and grey langur, semnopithecus priam, in the dry zone of sri lanka
- $15,000
International Primatological Society · Milwaukee, WI · 2023
Primate conservation: the basics & beyond; the pre-congress training program of the international primatological society
- $15,000
New Nature Foundation · Philadelphia, PA · 2023
Film production for grass-roots replication of successful community conservationof the threatened primates of kibale national park
- $15,000
Rewild · Austin, TX · 2023
Emergency conservation of delacour's langur in huong sun special-use forests, northern vietnam
- $15,000
The Kasiisi Project · Yarmouth, ME · 2023
Reducing human-to-chimpanzee (pan troglodytes schweinfurthii) respiratory infections through hygiene campaigns in and around kibale national park, western uganda
- $15,000
Conservation Impact · Evergreen, CO · 2022
Sustainable conservation of critically endangered tonkin snub-nosed monkeys
- $15,000
Rewild · Austin, TX · 2022
The great call pilot project proposal
- $15,000
Western Washington University · Bellingham, WA · 2022
Conservation of tarsius sangirensis, one of the world's 25 most endangered primates: a continuation of suite 16 -identifying 16 or more tarsiers of the genus tarsius in a cryptic species complex once classified as a sin… read allConservation of tarsius sangirensis, one of the world's 25 most endangered primates: a continuation of suite 16 -identifying 16 or more tarsiers of the genus tarsius in a cryptic species complex once classified as a single species on sulawesi, with an added emphasis on tarsius sangirensis less
- $14,500
The Kasiisi Project · Yarmouth, ME · 2024
Handwashing campaigns to reduce human-to-chimpanzee (pan troglodytes schweinfurthi) respiratory infections in kibale natl park, w. Uganda
- $12,000
Rewild · Austin, TX · 2025
Support for the publication of the iucn ssc primate specialist group journal primate conservation: printing of issue 39 (2025)
- $11,475
Dian Fossey Gorilla Fund · Atlanta, GA · 2022
Documentation of globally-threatened red colobus (piliocolobus sp.) in nkuba conservation area: potential presence of unique, geographically & possibly geographically distinct population.
- $11,200
New Nature Foundation · Philadelphia, PA · 2025
Safeguarding habitat for endangered ashy red colobus and other species in western uganda through expansion of biomass briquette production
- $11,200
Rewild · Austin, TX · 2024
Support for the publication of the iucn ssc primate specialist group journal primate conservation: printing of issue 38 (2024)
- $11,200
Rewild · Austin, TX · 2023
Sustaining the ise forest conservation area to save the chimpanzee population in ekiti state, southwestern nigeria
- $11,000
Cornell University · Ithaca, NY · 2024
Acoustic monitoring of illegal gun-hunting to decrease primate and elephant poaching in the dzangha-sangha protected areas, central african republic
- $10,000
Jonah Ratsimbazafy · New York, NY · 2025
2025 mmbf special award
- $10,000
The Kasiisi Project · Grand Ledge, MI · 2025
Expanding school and community handwashing campaigns to reduce human-to-chimpanzee (pan troglodytes schweinfurthii) respiratory infections in kibale national park, uganda
- $10,000
Conservation Impact · Evergreen, CO · 2024
Improved monitoring of critically endangered tonkin snub-nosed monkeys
- $10,000
Pan African Sanctuary Alliance · Beaverton, OR · 2024
Protecting endangered chimpanzees (pan troglodytes schweinfurthii) through human-chimpanzee conflict reduction in kagadi district, uganda
- $10,000
Jatna Supriatna · 2023
2023 margot marsh foundation special award
- $10,000
Seacology · Berkley, CA · 2023
Protecting the mangroves in medan mas, borneo that provide a critical home to proboscis monkeys
- $10,000
Gorilla Doctors · Davis, CA · 2022
Volcanoes national park (rwanda) expansion what are the potential health risks for endangered mountain gorillas?
- $10,000
Kenneth Glander · Durham, NC · 2022
Special award from margot marsh foundation
- $10,000
Rewild · Austin, TX · 2022
Support for the publication of the iucn ssc primate specialist group journal primate conservation. Printing of issue 36 (2022)
- $400
Rewild · Austin, TX · 2023
Support for the publication of the iucn ssc primate specialist group journal primate conservation. Printing of issue 36 (2022)
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Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

