Blue jay - Wikipedia
Common Backyard Birds — Backyard Bird Blog — Santa Clara Valley
The perfect guide to the birds of California, from the #1 birding website AllAboutBirds.org
All About Birds California
Blue Jay Overview, All About Birds, Cornell Lab of Ornithology
Buy Backyard Birds Flash Cards - Eastern & Central North America (Cornell Lab of Ornithology) on ✓ FREE SHIPPING on qualified orders
Backyard Birds Flash Cards - Eastern & Central North America (Cornell Lab of Ornithology)
Blue Jay Identification, All About Birds, Cornell Lab of Ornithology
Library Resource Spotlight: Birds of the World
Blue Jay Bird Facts Cyanocitta cristata - AZ Animals
Notes from the Field: The Jays — Central Oregon LandWatch
Blue Jay Identification, All About Birds, Cornell Lab of Ornithology
Birds Doing Pull-ups and Drinking Milk?
Blue Jay x Steller's Jay hybrid? - FeederWatch