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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “audubon”

Where the money went

1.0×
Walton Family Foundation Inc → National Audubon Society Inc: $16M across 16 grants, latest 2024National Fish and Wildlife Foundation → National Audubon Society Inc: $7.6M across 2 grants, latest 2023Caerus Foundation Inc → National Audubon Society: $3.1M across 4 grants, latest 2024The Nature Conservancy → National Audubon Society: $2.4M across 5 grants, latest 2024National Wildlife Federation → National Audubon Society: $1.5M across 3 grants, latest 2023The William Penn Foundation → New Jersey Audubon Society: $1.3M across 15 grants, latest 2024Schumann Robert F Fdn-Main → National Audubon Society Inc: $600K across 2 grants, latest 2024The Chicago Community Trust → National Audubon Society Inc: $597K across 4 grants, latest 2023Welborn Baptist Foundation Inc → Audubon Kids Zone Inc: $302K across 13 grants, latest 2024Knopf Family Foundation Inc → National Audubon Society Inc - Center for Birds of Prey: $210K across 4 grants, latest 2025Audubon State Bank Charitable Foundation → Audubon Recreation Foundation: $178K across 4 grants, latest 2025Seattle Foundation → National Audubon Society: $150K across 3 grants, latest 2024National Fish and Wildlife Foundation → National Audubon Society: $3.6M across 1 grant, latest 2022The Nature Conservancy → Audubon Society of Portland: $1.6M across 4 grants, latest 2023The William Penn Foundation → National Audubon Society - Audubon Pennsylvania: $1.2M across 14 grants, latest 2024The Chicago Community Trust → San Diego Audubon Society: $346K across 1 grant, latest 2023Schumann Robert F Fdn-Main → National Audubon Society Inc -: $300K across 1 grant, latest 2022National Wildlife Federation → New Jersey Audubon Society: $289K across 3 grants, latest 2023Caerus Foundation Inc → Madison Audubon Society: $230K across 5 grants, latest 2024Knopf Family Foundation Inc → National Audubon Society Inc - Corkscrew Swamp Sanctuary & Blair Audubon: $150K across 4 grants, latest 2025Seattle Foundation → Seattle Audubon Society: $96K across 6 grants, latest 2023Audubon State Bank Charitable Foundation → Audubon Community Schools: $12K across 2 grants, latest 2025The Nature Conservancy → Audubon New York: $1.2M across 2 grants, latest 2024National Fish and Wildlife Foundation → New Jersey Audubon Society: $918K across 3 grants, latest 2023The William Penn Foundation → Philadelphia Outward Bound Center: $200K across 1 grant, latest 2024Caerus Foundation Inc → Audubon Great Lakes: $180K across 3 grants, latest 2024Schumann Robert F Fdn-Main → Chesapeake Audubon Society: $106K across 3 grants, latest 2024The Chicago Community Trust → Massachusetts Audubon Society Inc: $83K across 2 grants, latest 2023Seattle Foundation → Dungeness River Audubon Center: $76K across 6 grants, latest 2024Knopf Family Foundation Inc → Audubon Society of New Hampshire: $60K across 4 grants, latest 2025National Wildlife Federation → Massachusetts Audubon Society Inc: $35K across 1 grant, latest 2023Audubon State Bank Charitable Foundation → Audubon Community Cinema: $4K across 2 grants, latest 2025National Fish and Wildlife Foundation → Montana Audubon Society: $412K across 2 grants, latest 2023National Fish and Wildlife Foundation → Maine Audubon Society: $314K across 3 grants, latest 2023National Fish and Wildlife Foundation → Connecticut Audubon Society: $298K across 3 grants, latest 2023National Fish and Wildlife Foundation → Audubon Society of Western Pennsylvania: $218K across 3 grants, latest 2023National Fish and Wildlife Foundation → Audubon Nature Institute: $205K across 2 grants, latest 2022National Fish and Wildlife Foundation → Ventura Audubon Society: $168K across 2 grants, latest 2023National Fish and Wildlife Foundation → Massachusetts Audubon Society: $103K across 2 grants, latest 2022National Fish and Wildlife Foundation → Audubon Nature Institute Inc: $101K across 1 grant, latest 2023The William Penn Foundation → National Audubon Society Inc: $100K across 1 grant, latest 2024The William Penn Foundation → National Audubon Society: $100K across 1 grant, latest 2023The Nature Conservancy → Ventura Audubon Society: $96K across 3 grants, latest 2024National Fish and Wildlife Foundation → Audubon Naturalist Society of the Central Atlantic States: $80K across 1 grant, latest 2022The Chicago Community Trust → New York City Audubon Society Inc: $70K across 4 grants, latest 2023The Nature Conservancy → Maine Audubon Society: $67K across 5 grants, latest 2024The Chicago Community Trust → Audubon Society of Lincoln City: $63K across 1 grant, latest 2023National Fish and Wildlife Foundation → Georgia Audubon: $61K across 3 grants, latest 2023National Fish and Wildlife Foundation → Audubon Society of Portland: $50K across 3 grants, latest 2023The Nature Conservancy → Massachusetts Audubon Society Inc: $50K across 1 grant, latest 2024Schumann Robert F Fdn-Main → Georgia Audubon Inc: $45K across 1 grant, latest 2023Seattle Foundation → Seward Park Audubon Center: $44K across 10 grants, latest 2024National Fish and Wildlife Foundation → New York City Audubon Society: $41K across 2 grants, latest 2022Knopf Family Foundation Inc → Audubon of Martin County: $40K across 4 grants, latest 2025Schumann Robert F Fdn-Main → Audubon Society of New Hampshire: $38K across 1 grant, latest 2022Schumann Robert F Fdn-Main → Massachusetts Audubon Society Inc: $36K across 1 grant, latest 2024National Wildlife Federation → Audubon New York: $31K across 1 grant, latest 2023Schumann Robert F Fdn-Main → Atlanta Audubon Society: $31K across 1 grant, latest 2022National Fish and Wildlife Foundation → Plumas Audubon Society: $27K across 1 grant, latest 2022Schumann Robert F Fdn-Main → Audubon Naturalist Society of the Centra: $25K across 1 grant, latest 2022Schumann Robert F Fdn-Main → The Connecticut Audubon Society: $25K across 1 grant, latest 2024Schumann Robert F Fdn-Main → New York City Audubon Society Inc: $25K across 1 grant, latest 2023National Fish and Wildlife Foundation → Chicago Audubon Society: $25K across 1 grant, latest 2021The Chicago Community Trust → Audubon Canyon Ranch Inc: $23K across 3 grants, latest 2022Walton Family Foundation Inc: $16M on this topic. Open the funder.Walton Family Foundation Inc$16MNational Fish and Wildlife Foundation: $14M on this topic. Open the funder.National Fish and Wildlife Fo…$14MThe Nature Conservancy: $5.5M on this topic. Open the funder.The Nature Conservancy$5.5MCaerus Foundation Inc: $3.5M on this topic. Open the funder.Caerus Foundation Inc$3.5MThe William Penn Foundation: $3.0M on this topic. Open the funder.The William Penn Foundation$3.0MNational Wildlife Federation: $1.8M on this topic. Open the funder.National Wildlife Federation$1.8MSchumann Robert F Fdn-Main: $1.2M on this topic. Open the funder.Schumann Robert F Fdn-Main$1.2MThe Chicago Community Trust: $1.2M on this topic. Open the funder.The Chicago Community Trust$1.2MKnopf Family Foundation Inc: $460K on this topic. Open the funder.Knopf Family Foundation Inc$460KSeattle Foundation: $365K on this topic. Open the funder.Seattle Foundation$365KWelborn Baptist Foundation Inc: $302K on this topic. Open the funder.Welborn Baptist Foundation Inc$302KAudubon State Bank Charitable Foundation: $195K on this topic. Open the funder.Audubon State Bank Charitable…$195KNational Audubon Society Inc: received $16M on this topicNational Audubon Society Inc$16MNational Audubon Society Inc: received $8.3M on this topicNational Audubon Society Inc$8.3MNational Audubon Society: received $7.7M on this topicNational Audubon Society$7.7MNational Audubon Society: received $3.1M on this topicNational Audubon Society$3.1MNew Jersey Audubon Society: received $2.5M on this topicNew Jersey Audubon Society$2.5MAudubon Society of Portland: received $1.7M on this topicAudubon Society of Portland$1.7MAudubon New York: received $1.3M on this topicAudubon New York$1.3MNational Audubon Society - Audubon Pennsylvania: received $1.2M on this topicNational Audubon Society - Audu…$1.2MMontana Audubon Society: received $412K on this topicMontana Audubon Society$412KMaine Audubon Society: received $382K on this topicMaine Audubon Society$382KSan Diego Audubon Society: received $346K on this topicSan Diego Audubon Society$346KAudubon Kids Zone Inc: received $302K on this topicAudubon Kids Zone Inc$302KNational Audubon Society Inc -: received $300K on this topicNational Audubon Society Inc -$300KConnecticut Audubon Society: received $298K on this topicConnecticut Audubon Society$298KVentura Audubon Society: received $264K on this topicVentura Audubon Society$264KMadison Audubon Society: received $230K on this topicMadison Audubon Society$230KAudubon Society of Western Pennsylvania: received $218K on this topicAudubon Society of Western Penn…$218KNational Audubon Society Inc - Center for Birds of Prey: received $210K on this topicNational Audubon Society Inc -…$210KAudubon Nature Institute: received $205K on this topicAudubon Nature Institute$205KPhiladelphia Outward Bound Center: received $200K on this topicPhiladelphia Outward Bound Cent…$200KAudubon Great Lakes: received $180K on this topicAudubon Great Lakes$180KAudubon Recreation Foundation: received $178K on this topicAudubon Recreation Foundation$178KNational Audubon Society Inc - Corkscrew Swamp Sanctuary & Blair Audubon: received $150K on this topicNational Audubon Society Inc -…$150KMassachusetts Audubon Society Inc: received $121K on this topicMassachusetts Audubon Society I…$121KChesapeake Audubon Society: received $106K on this topicChesapeake Audubon Society$106KMassachusetts Audubon Society: received $103K on this topicMassachusetts Audubon Society$103KAudubon Nature Institute Inc: received $101K on this topicAudubon Nature Institute Inc$101KAudubon Society of New Hampshire: received $98K on this topicAudubon Society of New Hampshire$98KSeattle Audubon Society: received $96K on this topicSeattle Audubon Society$96KMassachusetts Audubon Society Inc: received $83K on this topicMassachusetts Audubon Society I…$83KAudubon Naturalist Society of the Central Atlantic States: received $80K on this topicAudubon Naturalist Society of t…$80KDungeness River Audubon Center: received $76K on this topicDungeness River Audubon Center$76KNew York City Audubon Society Inc: received $70K on this topicNew York City Audubon Society I…$70KAudubon Society of Lincoln City: received $63K on this topicAudubon Society of Lincoln City$63KGeorgia Audubon: received $61K on this topicGeorgia Audubon$61KGeorgia Audubon Inc: received $45K on this topicGeorgia Audubon Inc$45KSeward Park Audubon Center: received $44K on this topicSeward Park Audubon Center$44KNew York City Audubon Society: received $41K on this topicNew York City Audubon Society$41KAudubon of Martin County: received $40K on this topicAudubon of Martin County$40KAtlanta Audubon Society: received $31K on this topicAtlanta Audubon Society$31KPlumas Audubon Society: received $27K on this topicPlumas Audubon Society$27KAudubon Naturalist Society of the Centra: received $25K on this topicAudubon Naturalist Society of t…$25KThe Connecticut Audubon Society: received $25K on this topicThe Connecticut Audubon Society$25KNew York City Audubon Society Inc: received $25K on this topicNew York City Audubon Society I…$25KChicago Audubon Society: received $25K on this topicChicago Audubon Society$25KAudubon Canyon Ranch Inc: received $23K on this topicAudubon Canyon Ranch Inc$23KAudubon Community Schools: received $12K on this topicAudubon Community Schools$12KAudubon Community Cinema: received $4K on this topicAudubon Community Cinema$4K
12 funders, 48 recipients, grants matching “audubon” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →