With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.
In the vast urban sprawl of Arizona, the habitat of the tiny western burrowing owl is being destroyed—prompting ...
Arizona's state bird fends for itself against predators in the desert, making its home in prickly plants. Here's what to know ...
Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...
Species declared endangered in 1988 appears to have made a new home in Arizona, as DNA samples have shown.
The Mexican long-nosed bat has been listed as endangered under the Endangered Species Act since 1988, and is the only one in Arizona with that federal protection. It is an important species for ...