In contrast, a “yellow alert” tipping-point species called the Pinyon Jay has also lost its woodland habitat because of drought and insects, among other factors, but its populations are ...

Learn what Clark's nutcracker looks like and sounds like. Plus, learn how the birds' food-caching ways help forests and when ...

This includes the sagebrush sparrow, black-chinned sparrow and Pinyon Jay, which can be found in parts of Arizona. The big picture: It's not just Arizona. Researchers tracked species nationwide and ...

Plumage and behavior differ greatly between interior and coastal populations. Coastal populations of the western scrub-jays are confiding, tame, and easily seen. Interior populations are more ...