Underparts entirely white. Nonbreeding male: black on crown absent, resulting in grayish crown. Female: like nonbreeding male but grayer above. Most confusion is likely to occur with black-tailed ...

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 the United States and Canada there are many birds colored primarily yellow and black. This is a common color pattern of several species of finches, tanagers, orioles, meadowlarks and warblers.

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

DESCRIPTION: Adult white-tailed ptarmigan typically grow to 30 to 34 centimeters in length and weigh 345 to 425 grams. The bird is distinguishable from other species of grouse by its perpetually white ...

Although the red-cockaded still faces obstacles, including continued habitat loss, impacts of climate change and the ...