Rainbow nature: life in brilliant blue
BACKYARD SECRET–BLUE JAYS DON'T RELOCATE MOST OF THE ACORNS THEY
Why Are Blue Jays Blue? - Bird Informer
5 Weird Facts about Blue Jays - Nature Canada
Wild Birds Unlimited
Fun bird facts –
Wild Profile: Meet the indigo bunting - Cottage Life
Blue Jays Get a Bad Rap - Saint Paul Audubon Society
Why Are Blue Jays Blue? - Bird Informer
The colour blue is elusive in nature. Here's why - The Weather Network