Bird Identification
- All About Birds – Your Online Guide To Birds from the Cornell Lab of Ornithology
- Patuxent Bird Identification InfoCenter
- Dendroica: An aid to identifying Western Hemisphere birds [Though no longer a genus, the web site lives on.]
General Birding
- American Ornithologists Society (AOS formerly AOU) Checklist of North American Birds
- Birdingpal: Birding Contacts and Information
- Fat Birder
- Surfbirds
- Nemesis Bird
- American Birding Association Code of Birding Ethics
Backyard Birding
- Audubon Backyard Birding
- Cornell Laboratory of Ornithology Project FeederWatch
- Feeding Birds FAQs from Project FeederWatch
Florida Birding and Natural History
- Checklist of Florida Birds – Florida Ornithological Society
- Great Florida Birding Trail
- Florida Fish and Wildife Conservation Commission (FWC)
- Florida State Parks
- University of Florida Wildlife Extension
Plants and Gardening for Birds
- Audubon Plants for Birds Program
- Florida Association of Native Nurseries
- Florida Native Plant Society
- UF/IFAS Extension – Landscaping for Florida Wildlife
Birding and Nature-related Blogs
- Bob’s Gone Birding
- David Sibley
- The Gibson Group Videos. Learn about feathers from a Materials Science perspective. How do woodpeckers avoid brain injury?
Organizations
- Florida Audubon Society
- Apalachee Audubon Society
- Citrus County Audubon Society
- Duval Audubon Society
- Four Rivers Audubon Society (Lake City)
- Marion County Audubon Society
- Oklawaha Valley Audubon Society
- St Petersburg Audubon Society
- St. Johns County Audubon Society
- Santa Fe Audubon Society
- Tropical Audubon (Miami)
- Cedar Keys Audubon
- Kissimmee Valley Audubon Society
- South Florida Audubon Society
- Audubon Everglades
- Audubon of Martin County
- Pelican Island Audubon Society
- St. Lucie Audubon Society
- Florida Keys Audubon Society
- Sanibel-Captiva Audubon Society
- Hendry-Glades Audubon Society
- Peace River Audubon Society
- Venice Area Audubon Society
- Audubon of Southwest Florida
- Audubon Western Everglades
- Highlands County Audubon Society
- Lake Region Audubon Society
- Orange Audubon Society
- West Pasco Audubon
- Hernando Audubon Society
- Clearwater Audubon Society
- Tampa Audubon Society
- Sarasota Audubon Society
- Ridge Audubon Society
- Manatee County Audubon Society
- Seminole Audubon Society
- Space Coast Audubon Society
- Halifax River Audubon
- Southeast Volusia Audubon Society
- West Volusia Audubon
- Flagler Audubon
- Bay County Audubon Society
- Choctawhatchee Audubon
- Francis M. Weston Audubon
- American Birding Association (ABA)
- American Ornithologists Society (AOS formerly AOU)
- Association of Field Ornithologists
- Florida Ornithological Society (FOS)
- Georgia Ornithological Society (GOS)
- Gators Ready for Exceptional Birding Experiences (GREBE)
- National Audubon Society
- Wilson Ornithological Society
- SORA, the Searchable Ornithological Research Archive
- BirdLife International
- IOC World Bird List
Research Stations and Institutions
- Avian Research and Conservation Institute (ARCI)
- Cornell Laboratory of Ornithology
- Ornithology Collection, Florida Museum of Natural History
- Smithsonian Migratory Bird Center
- Cape May Bird Observatory (CMBO)
- Hawk Mountain Sanctuary
- Patuxent Wildlife Research Center (USGS)
- McGill Bird Observatory (MBO)
- Powdermill Avian Research Center
- Point Blue Conservation Science (formerly Point Reyes Bird Observatory)
Bird Surveys
- Christmas Bird Count
- eBird
- Great Backyard Bird Count
- North American Breeding Bird Survey
- Cornell Lab’s Project FeederWatch and NestWatch
- Florida Breeding Bird Atlas
Bird Specialty Groups
- Florida Bluebird Society
- North American Bluebird Society
- Hummingbirds.net
- International Crane Foundation
- Purple Martin Conservation Association
- Raptor Research Foundation
- The Avian Reconditioning Center
Photographs and Sound Recordings
- Florida Museum of Natural History’s Bird Sound Collection
- Florida Museum of Natural History’s Gallery of Bird Photographs
- Wing and Tail Image Collection from The Slater Museum of Natural History
- The Feather Atlas (US Fish and Wildlife Service Forensics Lab)
- xeno-canto
- Macaulay Library from the Cornell Lab of Ornithology – photos, videos and sounds of birds of the world