- National Audubon Society - The mission of the National Audubon Society is to conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the Earth's biological diversity.
- Redwood Region Audubon Society - Redwood Region Audubon Society is a local chapter of the National Audubon Society.
- Sea and Sage Audubon Society - Local National Audubon Chapter, Orange County, Calif.