| Hewlett Foundation | 350,000.00 | 11 | 2018-10-04 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign/ | -- | For Support Of The Regional Integrated Sagebrush Campaign. |
| Hewlett Foundation | 150,000.00 | 25 | 2017-09-30 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-lower-colorado-river-basin-project/ | -- | For Support Of The Lower Colorado River Basin Project. |
| Hewlett Foundation | 275,000.00 | 15 | 2016-10-27 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project-4/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Hewlett Foundation | 50,000.00 | 34 | 2013-11-11 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-general-operating-support/ | -- | For General Operating Support. |
| Hewlett Foundation | 175,000.00 | 23 | 2012-11-12 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project-2/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Walton Family Foundation | 100,000.00 | 27 | 2012 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Walton Family Foundation | 2,150,116.00 | 3 | 2012 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Walton Family Foundation | 200,000.00 | 17 | 2012 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Hewlett Foundation | 175,000.00 | 23 | 2011-03-21 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project-1/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Smith Richardson Foundation | 1,000.00 | 39 | 2011 | -- | http://conservativetransparency.org/donor/smith-richardson-foundation/ | -- | |
| Walton Family Foundation | 2,739,859.00 | 1 | 2011 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Walton Family Foundation | 5,000.00 | 38 | 2011 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Walton Family Foundation | 2,327,361.00 | 2 | 2010 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Hewlett Foundation | 200,000.00 | 17 | 2009-11-16 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project-0/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Hewlett Foundation | 200,000.00 | 17 | 2009-11-16 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project-0/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Walton Family Foundation | 1,184,542.00 | 5 | 2009 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Smith Richardson Foundation | 1,000.00 | 39 | 2009 | -- | http://conservativetransparency.org/donor/smith-richardson-foundation/ | -- | |
| Hewlett Foundation | 300,000.00 | 12 | 2008-11-17 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-audubon-alaskas-petroleum-reserve-project-and-for-general-support-for-the-california-program/ | -- | For Audubon Alaska's Petroleum Reserve Project And For General Support For The California Program. |
| John Merck Fund | 70,000.00 | 33 | 2008-09 | Environment | https://www.jmfund.org/program-grants/ | -- | To help landowners in the Champlain Valley of Vermont manage their properties in ways that are sustainable for priority grassland bird species. |
| Walton Family Foundation | 1,847,971.00 | 4 | 2008 | -- | http://conservativetransparency.org/donor/walton-family-foundation | -- | |
| Hewlett Foundation | 50,000.00 | 34 | 2007-11-19 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-the-tongass-national-forest-project-1/ | -- | For The Tongass National Forest Project. |
| Hewlett Foundation | 400,000.00 | 9 | 2007-11-19 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-support-of-the-regional-integrated-sagebrush-campaign-project/ | -- | For Support Of The Regional Integrated Sagebrush Campaign Project. |
| Hewlett Foundation | 195,000.00 | 22 | 2007-08-03 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-the-mobilizing-the-audubon-network-to-combat-global-warming-project/ | -- | For The Mobilizing The Audubon Network To Combat Global Warming Project. |
| Hewlett Foundation | 100,000.00 | 27 | 2007-06-11 | Population | https://hewlett.org/grants/national-audubon-society-for-general-operating-support-of-the-national-audubon-societys-population-and-habitat-program-0/ | -- | For General Operating Support Of The National Audubon Society's Population And Habitat Program. |
| Hewlett Foundation | 100,000.00 | 27 | 2007-06-11 | Population | https://hewlett.org/grants/national-audubon-society-for-general-operating-support-of-the-national-audubon-societys-population-and-habitat-program-0/ | -- | For General Operating Support Of The National Audubon Society's Population And Habitat Program. |
| Hewlett Foundation | 75,000.00 | 31 | 2007-05-16 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-a-campaign-to-ensure-a-viable-population-of-sage-grouse-and-to-protect-their-ecosystem/ | -- | For A Campaign To Ensure A Viable Population Of Sage-grouse And To Protect Their Ecosystem. |
| Hewlett Foundation | 75,000.00 | 31 | 2007-02-26 | Environmentalism | https://hewlett.org/grants/national-audubon-society-for-the-tongass-national-forest-project-0/ | -- | For The Tongass National Forest Project. |
| Hewlett Foundation | 100,000.00 | 27 | 2006-02-27 | Population | https://hewlett.org/grants/national-audubon-society-for-general-operating-support-of-the-national-audubon-societys-population-and-habitat-program/ | -- | For General Operating Support Of The National Audubon Society's Population And Habitat Program. |
| Hewlett Foundation | 300,000.00 | 12 | 2003-01-13 | Population | https://hewlett.org/grants/national-audubon-society-for-the-general-support-of-the-national-audubon-societys-population-and-habitat-campaign/ | -- | For The General Support Of The National Audubon Society's Population And Habitat Campaign. |
| William E. Simon Foundation | 100.00 | 41 | 2002 | -- | http://conservativetransparency.org/donor/william-e-simon-foundation/ | -- | |
| John Merck Fund | 35,000.00 | 36 | 2000-09 | Environment | https://www.jmfund.org/program-grants/ | -- | To unite the three Audubon offices in Vermont into a single, more effective organization that protects birds, other wildlife and their habitat through education, research and advocacy. |
| Andrew W. Mellon Foundation | 750,000.00 | 6 | 1987-06-16 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/28700049/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 625,000.00 | 8 | 1984-06-19 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/28400058/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 300,000.00 | 12 | 1981-06-17 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/28100075/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 750,000.00 | 6 | 1979-10-03 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/37900071/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 25,000.00 | 37 | 1978-06-07 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/27800034/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 360,000.00 | 10 | 1975-06-19 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/27500029/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 150,000.00 | 25 | 1972-06-20 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/27200037/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 250,000.00 | 16 | 1971-06-22 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/27100036/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 200,000.00 | 17 | 1970-06-15 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/27000023/ | -- | Program name: Past Programs. |
| Andrew W. Mellon Foundation | 200,000.00 | 17 | 1969-09-24 | Past Programs | https://mellon.org/grants/grants-database/grants/national-audubon-society/26900004/ | -- | Program name: Past Programs. |