Koaw Nature's bird pages: Feather identification, bird stories
Birds Connect Our World – BirdsCaribbean
2nd Edition, This updated field guide, organized by color, features full-color photographs and information to help readers quickly and easily
Birds of Louisiana and Mississippi Field Guide
What's That Feather? Great Tools and Books to ID Unknown Feathers - A Magical Homeschool
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Koaw Nature's bird pages: Feather identification, bird stories, invasive parrots in London and more! — Koaw Nature
Mark Beaman, Steve Madge The Handbook of Bird Identification For Europe and The Western Palearctic
River Bird Blog Richie Swanson - Writer, Birder, Activist
Yellow-billed Cuckoo Birdzilla - Wild About Wild Birds
Bird Feather Identification
The Feather Atlas - Feather Identification and Scans - U.S. Fish and Wildlife Service Forensics Laboratory