black-tailed and California have mostly black outer rectrices with white tips or edges. Be aware that in late summer gnatcatchers molt their tails. blue-grays will look mostly dark from below when ...

An unusually long-tailed black-and-white corvid with a black bill ... Flight: relatively slow, with steady, rowing wingbeats, but the birds are easily able to quickly change direction in flight.

In July, the Mount Rainier white-tailed ptarmigan was officially listed as threatened by the U.S. Fish and Wildlife Service ...