Their wingspans range up to 17 inches. Another characteristic of blue jays is their feathered crest on their heads that they raise or lower depending on their mood. And of course, they get their ...

Their male calls are different and diverse, and they even employ some physical calls, such as raising crest feathers in various emotions and behaviors. Not only is the blue jay, as with many other ...

black-crested jay with variable white or blue markings on the head. The wings and tail are a vivid blue, with fine black barring. The head, including the crest; back; and throat are blackish.

This is a long-tailed jay with a small bill and no crest. Adult: generally bluish above ... Juvenile: much grayer overall, showing very little blue on the head. Flight: Usually undulating with ...