Arizona’s desert birds are in decline, according to a national conservation report tracking long-term bird populations, prompting one conservation group to ask the federal government to take action on ...

It’s chilly at dawn in the desert, even though blazing heat will arrive before midday. To the east, stark outlines of cactus and thorny trees stand against the growing light. And on all sides, the air ...

The Center for Biological Diversity has asked the U.S. Fish and Wildlife Service to add the Bendire's thrasher to the endangered species list. The thrasher is a rare desert songbird whose habitat is ...