Blue Jay Identification, All About Birds, Cornell Lab of Ornithology

Cornell Lab of Ornithology—Home Birds, Cornell Lab of Ornithology

Princeton University Press

ALL ABOUT BIRDS Regional Field Guides

Blue Jay Celebrate Urban Birds

ALL ABOUT BIRDS Regional Field Guides – Cornell Lab Publishing Group

Steller's Jay Identification, All About Birds, Cornell Lab of Ornithology

Blue Jay Birds: Identification & Information-Wild Birds: Pet Central Supply - Pet Central Supply & Pet Care Tips

Blue Jay Overview, All About Birds, Cornell Lab of Ornithology

Blue Jay in Flight - FeederWatch

Blue Jay Identification, All About Birds, Cornell Lab of Ornithology

A trick of nature: Blue jays aren't really blue