ADW: Cyanocitta cristata: INFORMATION
Blue Jay: A New Look at a Common Feeder Bird
Library Resource Spotlight: Birds of the World
Blue Jay Identification, All About Birds, Cornell Lab of Ornithology
Blue Jay Overview, All About Birds, Cornell Lab of Ornithology
Blue jays cache food for the winter ‑ and remember where they put it
Blue Jay Identification, All About Birds, Cornell Lab of Ornithology
Nature's Ways: The Blue Jay — Our Largest, Regular Bird Feeder Guest
Cornell Lab of Ornithology—Home Birds, Cornell Lab of Ornithology
Waterford Press
Waterford Press ALL ABOUT BIRDS Pocket Guides (Better Birder Series)
Blue Jay Identification, All About Birds, Cornell Lab of Ornithology
Blue Jay Overview, All About Birds, Cornell Lab of Ornithology
All About Jays and How to Attact Them - Wild Birds Unlimited