The yellow-billed cuckoo most closely resembles the black-billed cuckoo, but it is distinguished by the yellow orbital ring, rufous primaries, more prominently white-tipped tail, and the yellow ...

TUCSON, Ariz.— The U.S. Fish and Wildlife Service today designated 298,845 acres in Arizona, California, Colorado, Idaho, New Mexico, Texas and Utah as critical habitat for the western yellow-billed ...

The species can only be found in parts of Northern and Central California. It was hit hard by the West Nile Virus in the ...

The yellow-billed cuckoo is sometimes called the "rain crow" because its song is often heard just before thunderstorms or summer showers. But this rare bird raises its voice less and less often in ...