Birds that call Arizona's desert ecosystem home — including the state's iconic cactus wren — are in serious decline, ...

Field biologists rappelled down a Lake Pleasant cliffside to check on bald eagle nestlings, ensuring the national bird continues to soar in Arizona.

A global outbreak of avian flu is reaching Arizona, though officials believe the public health risk remains low. According to the Centers for Disease Control, H5 bird flu has spread in wild birds ...

PHOENIX (AZFamily) —The Arizona Department of Health Services has confirmed the state’s first human cases of bird flu. State health officials confirmed Friday that two people tested positive ...