Member societies of the Ornithological Council
- Association of Field Ornithologists
- Birds Caribbean
- CIPAMEX: Sección Mexicana del Consejo Internacional para la Preservación de las Aves
- Neotropical Ornithological Society
- North American Crane Working Group
- Pacific Seabird Group
- Raptor Research Foundation
- The Waterbird Society
- Wilson Ornithological Society
Other North American Organizations
- Bird Studies Canada
- Cornell Laboratory of Ornithology
- Partners in Flight
- American Ornithological Society
- Society of Canadian Ornithologists ~ Société des Ornithologistes du Canada
Around the World: International & Outside North America
- BirdLife International
- Birds Australia, website of the Royal Australasian Ornithologists’ Union and BirdLife International-Australia
- British Ornithologists’ Union
- British Trust for Ornithology
- Center for the Study of Tropical Birds, Inc.
- Deutsche Ornithologen-Gesellschaft (German Ornithologists’ Society or DO-G)
- HawkWatch International
- International Ornithologists’ Union
- Neotropical Bird Club, based in the United Kingdom
- The Peregrine Fund
- Society of Avian Paleontology and Evolution
- World Working Group on Birds of Prey and Owls