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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 “grasslands”

Where the money went

1.0×
National Fish and Wildlife Foundation → Ducks Unlimited Inc: $12M across 1 grant, latest 2023Anne Ray Foundation → The Nature Conservancy: $5.9M across 4 grants, latest 2024Margaret A Cargill Foundation → National Fish and Wildlife Foundation: $3.8M across 2 grants, latest 2024National Forest Foundation → Conservation Legacy: $3.2M across 3 grants, latest 2023The Arthur M Blank Family Foundation → The Nature Conservancy in Montana: $1.2M across 1 grant, latest 2024Band Foundation → Austin Peay State University Foundation: $1.1M across 3 grants, latest 2024The Knobloch Family Foundation → Pheasants Forever Inc and Quail Forever: $600K across 1 grant, latest 2023Community Foundation of Northern Il → Friends of Nachusa Grasslands: $222K across 2 grants, latest 2023The Volgenau Foundation → Smithsonian Conservation Biology Institute: $205K across 2 grants, latest 2023Illinois Clean Energy Community Foundation → Friends of Nachusa Grasslands: $60K across 4 grants, latest 2023Forage & Grassland Foundation Inc → International Grassland Congress: $30K across 4 grants, latest 2025Natural Resources Foundation of → The Prairie Enthusiasts: $29K across 2 grants, latest 2024National Fish and Wildlife Foundation → National Wildlife Federation: $2.5M across 1 grant, latest 2023Margaret A Cargill Foundation → World Wildlife Fund Inc: $2.2M across 3 grants, latest 2024National Forest Foundation → Wetland Initiatives: $1.3M across 2 grants, latest 2022The Knobloch Family Foundation → Bird Conservancy of the Rockies: $561K across 1 grant, latest 2023The Arthur M Blank Family Foundation → The Conservation Fund: $230K across 1 grant, latest 2024Band Foundation → Natureserve: $202K across 2 grants, latest 2023The Volgenau Foundation → Smithsonian Institute: $125K across 1 grant, latest 2024Community Foundation of Northern Il → Friends of Nachusa Grasslands: $124K across 2 grants, latest 2024Illinois Clean Energy Community Foundation → Poplar Creek Prairie Stewards: $27K across 2 grants, latest 2023Forage & Grassland Foundation Inc → American Forage & Grassland Council: $23K across 4 grants, latest 2025Natural Resources Foundation of → Kettle Moraine Land Trust: $20K across 1 grant, latest 2022National Fish and Wildlife Foundation → Pheasants Forever Inc: $1.9M across 1 grant, latest 2023National Forest Foundation → Ecoculture: $996K across 3 grants, latest 2023Margaret A Cargill Foundation → National Audubon Society Inc: $530K across 1 grant, latest 2024The Knobloch Family Foundation → Friends of Birdlife International Inc: $373K across 1 grant, latest 2024The Arthur M Blank Family Foundation → Montana Land Reliance: $200K across 1 grant, latest 2024The Volgenau Foundation → Audubon California A State Program of the National Audubon Society: $125K across 2 grants, latest 2023Community Foundation of Northern Il → Friends Endowment for Nachusa Grasslands: $50K across 1 grant, latest 2024Illinois Clean Energy Community Foundation → National Audubon Society Inc: $25K across 1 grant, latest 2022Natural Resources Foundation of → Dane County Conservation League: $11K across 2 grants, latest 2024National Fish and Wildlife Foundation → Rocky Mountain Bird Observatory: $956K across 1 grant, latest 2022National Forest Foundation → Rocky Mountain Youth Corps - Co: $932K across 3 grants, latest 2023National Forest Foundation → Southern Highlands Reserve: $738K across 2 grants, latest 2023National Forest Foundation → Rio Grande Return: $607K across 3 grants, latest 2023National Forest Foundation → City of Greeley: $589K across 1 grant, latest 2023National Forest Foundation → Tree People: $583K across 3 grants, latest 2023National Forest Foundation → Confederated Salish & Kootenai Tribes: $571K across 3 grants, latest 2023National Forest Foundation → Vail Valley Mountain Bike Association: $543K across 3 grants, latest 2023National Forest Foundation → Trout Unlimited Inc: $529K across 1 grant, latest 2023National Forest Foundation → American Conservation Experience: $527K across 3 grants, latest 2023National Forest Foundation → Truckee River Watershed Council: $512K across 1 grant, latest 2023National Forest Foundation → Friends of Dillon Ranger District: $506K across 3 grants, latest 2023National Forest Foundation → Big Thompson Watershed Coalition: $485K across 2 grants, latest 2023National Forest Foundation → Colorado State University: $475K across 3 grants, latest 2023Margaret A Cargill Foundation → Buffalo Nations Grasslands Alliance: $450K across 2 grants, latest 2024National Forest Foundation → Mountain Communities Fire Safe Council: $435K across 3 grants, latest 2023National Fish and Wildlife Foundation → Sandhills Task Force: $431K across 2 grants, latest 2022National Fish and Wildlife Foundation → Sandhills Task Force (Keep): $420K across 1 grant, latest 2023National Forest Foundation → Wildlands Restoration Volunteers: $414K across 3 grants, latest 2023National Fish and Wildlife Foundation → Montana Audubon Society: $412K across 2 grants, latest 2023National Forest Foundation → The Longleaf Alliance Inc: $397K across 2 grants, latest 2022National Forest Foundation → Boise State University: $346K across 1 grant, latest 2022National Fish and Wildlife Foundation → South Dakota Grassland Coalition: $339K across 3 grants, latest 2023National Forest Foundation → Coalition for the Poudre River Watershed: $319K across 2 grants, latest 2023The Knobloch Family Foundation → Rocky Mountain Bird Observatory: $310K across 1 grant, latest 2024National Fish and Wildlife Foundation → Parks and Wildlife Foundation of Texas Inc: $308K across 1 grant, latest 2023National Fish and Wildlife Foundation → Borderlands Research Institute-Sul Ross State University: $302K across 1 grant, latest 2023National Fish and Wildlife Foundation → Winnett Aces Inc: $292K across 1 grant, latest 2023National Fish and Wildlife Foundation → Coastal Prairie Conservancy: $286K across 1 grant, latest 2023National Forest Foundation → Conservation Corps of Long Beach: $280K across 2 grants, latest 2023National Forest Foundation → Washoe Tribe of Nv and Ca: $269K across 1 grant, latest 2022National Forest Foundation → Mile High Youth Corps: $260K across 2 grants, latest 2022National Fish and Wildlife Foundation: $21M on this topic. Open the funder.National Fish and Wildlife Fo…$21MNational Forest Foundation: $16M on this topic. Open the funder.National Forest Foundation$16MMargaret A Cargill Foundation: $6.9M on this topic. Open the funder.Margaret A Cargill Foundation$6.9MAnne Ray Foundation: $5.9M on this topic. Open the funder.Anne Ray Foundation$5.9MThe Knobloch Family Foundation: $1.8M on this topic. Open the funder.The Knobloch Family Foundation$1.8MThe Arthur M Blank Family Foundation: $1.6M on this topic. Open the funder.The Arthur M Blank Family Fou…$1.6MBand Foundation: $1.3M on this topic. Open the funder.Band Foundation$1.3MThe Volgenau Foundation: $455K on this topic. Open the funder.The Volgenau Foundation$455KCommunity Foundation of Northern Il: $396K on this topic. Open the funder.Community Foundation of North…$396KIllinois Clean Energy Community Foundation: $112K on this topic. Open the funder.Illinois Clean Energy Communi…$112KNatural Resources Foundation of: $60K on this topic. Open the funder.Natural Resources Foundation…$60KForage & Grassland Foundation Inc: $53K on this topic. Open the funder.Forage & Grassland Foundation…$53KDucks Unlimited Inc: received $12M on this topicDucks Unlimited Inc$12MThe Nature Conservancy: received $5.9M on this topicThe Nature Conservancy$5.9MNational Fish and Wildlife Foundation: received $3.8M on this topicNational Fish and Wildlife Foun…$3.8MConservation Legacy: received $3.2M on this topicConservation Legacy$3.2MNational Wildlife Federation: received $2.5M on this topicNational Wildlife Federation$2.5MWorld Wildlife Fund Inc: received $2.2M on this topicWorld Wildlife Fund Inc$2.2MPheasants Forever Inc: received $1.9M on this topicPheasants Forever Inc$1.9MRocky Mountain Bird Observatory: received $1.3M on this topicRocky Mountain Bird Observatory$1.3MWetland Initiatives: received $1.3M on this topicWetland Initiatives$1.3MThe Nature Conservancy in Montana: received $1.2M on this topicThe Nature Conservancy in Monta…$1.2MAustin Peay State University Foundation: received $1.1M on this topicAustin Peay State University Fo…$1.1MEcoculture: received $996K on this topicEcoculture$996KRocky Mountain Youth Corps - Co: received $932K on this topicRocky Mountain Youth Corps - Co$932KSouthern Highlands Reserve: received $738K on this topicSouthern Highlands Reserve$738KRio Grande Return: received $607K on this topicRio Grande Return$607KPheasants Forever Inc and Quail Forever: received $600K on this topicPheasants Forever Inc and Quail…$600KCity of Greeley: received $589K on this topicCity of Greeley$589KTree People: received $583K on this topicTree People$583KConfederated Salish & Kootenai Tribes: received $571K on this topicConfederated Salish & Kootenai…$571KBird Conservancy of the Rockies: received $561K on this topicBird Conservancy of the Rockies$561KVail Valley Mountain Bike Association: received $543K on this topicVail Valley Mountain Bike Assoc…$543KNational Audubon Society Inc: received $530K on this topicNational Audubon Society Inc$530KTrout Unlimited Inc: received $529K on this topicTrout Unlimited Inc$529KAmerican Conservation Experience: received $527K on this topicAmerican Conservation Experience$527KTruckee River Watershed Council: received $512K on this topicTruckee River Watershed Council$512KFriends of Dillon Ranger District: received $506K on this topicFriends of Dillon Ranger Distri…$506KBig Thompson Watershed Coalition: received $485K on this topicBig Thompson Watershed Coalition$485KColorado State University: received $475K on this topicColorado State University$475KBuffalo Nations Grasslands Alliance: received $450K on this topicBuffalo Nations Grasslands Alli…$450KMountain Communities Fire Safe Council: received $435K on this topicMountain Communities Fire Safe…$435KSandhills Task Force: received $431K on this topicSandhills Task Force$431KSandhills Task Force (Keep): received $420K on this topicSandhills Task Force (Keep)$420KWildlands Restoration Volunteers: received $414K on this topicWildlands Restoration Volunteers$414KMontana Audubon Society: received $412K on this topicMontana Audubon Society$412KThe Longleaf Alliance Inc: received $397K on this topicThe Longleaf Alliance Inc$397KFriends of Birdlife International Inc: received $373K on this topicFriends of Birdlife Internation…$373KBoise State University: received $346K on this topicBoise State University$346KSouth Dakota Grassland Coalition: received $339K on this topicSouth Dakota Grassland Coalition$339KCoalition for the Poudre River Watershed: received $319K on this topicCoalition for the Poudre River…$319KParks and Wildlife Foundation of Texas Inc: received $308K on this topicParks and Wildlife Foundation o…$308KBorderlands Research Institute-Sul Ross State University: received $302K on this topicBorderlands Research Institute-…$302KWinnett Aces Inc: received $292K on this topicWinnett Aces Inc$292KCoastal Prairie Conservancy: received $286K on this topicCoastal Prairie Conservancy$286KConservation Corps of Long Beach: received $280K on this topicConservation Corps of Long Beach$280KWashoe Tribe of Nv and Ca: received $269K on this topicWashoe Tribe of Nv and Ca$269KMile High Youth Corps: received $260K on this topicMile High Youth Corps$260KThe Conservation Fund: received $230K on this topicThe Conservation Fund$230KFriends of Nachusa Grasslands: received $222K on this topicFriends of Nachusa Grasslands$222KSmithsonian Conservation Biology Institute: received $205K on this topicSmithsonian Conservation Biolog…$205KNatureserve: received $202K on this topicNatureserve$202KMontana Land Reliance: received $200K on this topicMontana Land Reliance$200KFriends of Nachusa Grasslands: received $184K on this topicFriends of Nachusa Grasslands$184KSmithsonian Institute: received $125K on this topicSmithsonian Institute$125KAudubon California A State Program of the National Audubon Society: received $125K on this topicAudubon California A State Prog…$125KFriends Endowment for Nachusa Grasslands: received $50K on this topicFriends Endowment for Nachusa G…$50KInternational Grassland Congress: received $30K on this topicInternational Grassland Congress$30KThe Prairie Enthusiasts: received $29K on this topicThe Prairie Enthusiasts$29KPoplar Creek Prairie Stewards: received $27K on this topicPoplar Creek Prairie Stewards$27KNational Audubon Society Inc: received $25K on this topicNational Audubon Society Inc$25KAmerican Forage & Grassland Council: received $23K on this topicAmerican Forage & Grassland Cou…$23KKettle Moraine Land Trust: received $20K on this topicKettle Moraine Land Trust$20KDane County Conservation League: received $11K on this topicDane County Conservation League$11K
12 funders, 62 recipients, grants matching “grasslands” 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 20192025. 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 →