With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.

A fungus that has killed millions of bats across North America has arrived in Arizona, state wildlife officials announced on ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

An elk fell into a narrow ditch and was wedged upside down in Arizona, photos show. The large animal was trapped on its back at the bottom between the tall walls of the trench with all four legs ...

The poisoning of over 30 coyotes in Tucson is an "exceptional" circumstance, according to officials with the Arizona Game and Fish Department. Poison was discovered in late January after officers ...

Researchers and citizen scientists took samples of environmental DNA from saliva on backyard hummingbird feeders and agave ...

Arizona has added a new species of bat to the list of night-flying creatures that frequent the state. The Mexican long-nosed ...

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and measuring the night-flying creatures, proof has been elusive ...

A cave myotis bat in Arizona has tested positive for the fungus Pseudogymnoascus destructans, which causes white-nose ...

Officials from the U.S. Fish and Wildlife Service and the Arizona Game and Fish Department announced the discovery in late January. While expanding Arizona's list of bat species to 29 is exciting ...

Officials from the U.S. Fish and Wildlife Service and the Arizona Game and Fish Department announced the discovery in late January. While expanding Arizona's list of bat species to 29 is exciting ...