United States - Musharof Chy
American Bird Conservancy
A not-for-profit dedicated to the conservation of wild birds and their habitats in the Americas.
New England Seabirds and Pelagic Birding
Conservation news, checklists of birds and mammals, birding spots, pelagic trips and trip reports, ...
50States.com - State Birds
Official birds for each US state with illustrations and descriptive text from Audubon.
Scouting for Birds
Promotes the Boy Scouts' Bird Study Merit Badge, with guides for scouts and teachers.
BirdPerch
Photo gallery, magazine photo index, and list of places to bird.
SEPART-L
Archives and subscription management for the e-mail group for discussion of neotropical migratory b...
BirdCentral
Photo gallery by Jim Rosso; birds in the classroom project.
All Experts Birding
A panel of US birders volunteer to answer questions.
BBIRD - Breeding Biology Research and Monitoring Database
A national, cooperative program that uses standardized field methodologies for studies of nesting s...
Identification Issues
Don Roberson's detailed discussions and photos of 10 ID problems, mainly dealing with California bi...