Some common calls are about: Blue jays are highly aggressive, especially when it comes to their colony or food resource. They are not shy about chasing big birds like hawks. This type of nature ...

The bird’s flight is strong and steady, with wings rarely flexed above horizontal. Polytypic. Length 11.5". A nearly unmistakable dark blue, black-crested jay with variable white or blue ...

Juvenile: much grayer overall, showing very little blue on the head. Flight: Usually undulating with quick deep wingbeats. Both the Steller’s jay and the blue jay have conspicuous crests and ...