Nearly unmistakable. The crest, shorter tail, and lack of white in the body separate Steller’s jays from the scrub-jays. The blue jay, our other crested jay, has white in the wings, tail ...

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 ...