Wildlife conservationists are worried that if more of the Arizona-Mexico border wall is built, more animals will struggle to ...

Across the Arizona-Sonora Desert Museum's 98 acres, you'll find 230 animal species – including hummingbirds, coyotes and string rays – along with 1,200 local plant species. Next to the ...

In the desert Southwest, livestock grazing harms threatened and endangered wildlife and is the primary driver of riparian ecosystem degradation. Removal of livestock from riparian areas is a critical ...

Native wildlife harmed by the habitat damage include mule deer, desert bighorn sheep and quail. The agency’s horse management plan is being challenged by the Center for Biological Diversity, Maricopa ...