Cornell Ornithology Lab

Erich Jarvis Lab at Duke University

Donald Brightsmith's Macaws

Smithsonian Migratory Bird Center

Natural Wildlife Federation

The Audubon Society

Avian Conservation and Ecology

Birds of Central Park

Hilton Pond

Chipper Woods Bird Observatory

Worchester County, MD Bird Page

Baltimore Bird Club

Birder's World Magazine

Wild Bird Magazine

Bird Song WAV files

North American Bird Sounds

Marcus Martin's Bird Photos

Birds as Art

Live Science Bird Images