(South) Carolina Bird Club
Alabama Ornithological Society
American Bird Conservancy
American Birding Association
American Ornithologist's Union
Arizona Bird Committee
Association of Field Ornithologists
Audubon Local Chapters
Austrailian Bird Clubs
Bird Observatories and Banding Stations
British Columbia Birding
California Birds Record Committee
Colorado Bird Observatory
Colorado Field Ornithologists
Connecticut Birds
Cooper Ornithological Society
Cornell Laboratory of Ornithology
DelMarVa Ornithological Society
Ding" Darling Wildlife Society
District of Columbia Records Committee
European Birding Organizations
Federation of New York State Bird Clubs
Florida Ornithological Society
Georgia Ornithological Society
Illinois Ornithological Society
Indiana Audubon Society
International Conservation Organizations
Iowa Ornithologists' Union
Kansas Ornithological Society
Kentucky Ornithological Society
Louisiana Ornithological Society
Manomet Center for Conservation Sciences
Maryland Ornithological Society
Massachusetts Audubon
Massachusetts Avian Record Committee
Michigan Bird Records Committee
Minnesota Ornithologists' Union
National Audubon Society
National Bird Feeding Society
Nebraska Ornithologists' Union
New Jersey Audubon
New Jersey Bird New Brunswick Records Committee
New Mexico Ornithological Society
North) Carolina Bird Club
Northern Prairie Wildlife Research Center
Nova Scotia Bird Society
Ohio Bird Records Committee
Oklahoma Bird Records Committee
Ontario Field Ornithologists
Oregon Field Ornithologists
Pacific Seabird Group
Partners in Flight
Rest of World Birding Organizations
Rest of World Conservation Organizations
Rest of World Scientific/Taxonomic Organizations
Sierra Club
Smithsonian Migratory Bird Center
South Dakota Ornithologist's Union
Tennessee Ornithological Society
Texas Ornithological Society
The Audubon Society of Missouri
The Peregrine Fund
The Waterbird Society
USA - Canada Conservation Organizations
USA - Canada Local Birding Organizations
USA - Canada Regional Birding Organizations
USA - Canada Scientific/Taxonomic Organizations
USA-Canada Conservation Organization
Utah Bird Records Committee
Virginia Society of Ornithology
Washington Ornithological Society
Western Atlantic Shorebird Association
Western Field Ornithologists
Wilson Ornithological Society
Wisconsin Society for Ornithology
