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 yellow-billed cuckoo has a slender body ... Populations in the western United States are declining fairly rapidly and are of considerable conservation concern. These populations depend ...

The Center for Biological Diversity located in Tucson Arizona has documented illegal cattle damage in Arizona’s Agua Fria ...

The habitat of endangered species is being destroyed by wide-spread cattle grazing at the Agua Fria National Monument.

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 ...

threatening the habitat of the Gila chub and Western yellow-billed cuckoo. These animals are protected under the Endangered Species Act. Despite an ongoing lawsuit, unauthorized cattle continue to ...