So, how do you tell these very similar birds apart? There are a few subtle differences. The California scrub jay has patches of grey along with white on its stomach, while the blue jay has only white.
Coastal populations of the western scrub ... pinyon jay, Steller’s jay, and Clark’s nutcracker. Vagrant: casual to southwestern British Columbia, eastern Washington, southeastern California ...
The Steller’s jay is a bold and aggressive species frequently found scavenging in campgrounds, picnic areas, and feeding stations in the West. The bird’s ... jays from the scrub-jays.