If you've heard that blue jays are smart, it's true; if you've heard that they're blue, you're mistaken - Cambridge Day
14 FUN & INTERESTING Facts about Blue Jays! [2023] - Bird Watching HQ
Blue Jay Facts, Pictures, and Behavior - Owlcation
Blue jay - Wikipedia
Are there any old world birds with mostly blue feathers? - Quora
14 FUN & INTERESTING Facts about Blue Jays! [2023] - Bird Watching HQ
Blue Birds Aren't Blue, and This is How They Fool You
Tandem (Many-Worlds): 9780385742771: Jarzab, Anna: Books
Blue Jay Facts, Pictures, and Behavior - Owlcation
Blue Jay National Geographic
A trick of nature: Blue jays aren't really blue
It's Not Easy Being Blue