Colors and shapes of birds are variable, but the arrangement of feathers or feather areas on a bird’s body is remarkably similar across all species
A BIRDS
First confirmed cases of avian influenza in the Antarctic region
Everything You Need To Know About Feathers
Highly Pathogenic Avian Influenza (H5N1) Virus in Feathers: Tropism and Pathology of Virus-Infected Feathers of Infected Ducks and Chickens - H. Nuradji, J. Bingham, J. Payne, J. Harper, S. Lowther, H. Wibawa
Birds of a feather display only a fraction of possible colours
The evolutionary origin of avian facial bristles and the likely role of rictal bristles in feeding ecology
Common Backyard Birds — Backyard Bird Blog — Santa Clara Valley Audubon Society
What to Do If You Find a Young Bird
Bird - Wikipedia
Avian flu and you: How you can help protect local bird populations
Field Biology – Learning to Identify Birds – Teacup Rex