Government agencies are investigating the death of a Mexican gray wolf in Arizona. The animal is protected by the Endangered ...

Government and private groups are funding an over $100,000 reward for information about the death of a Mexican gray wolf in ...

Mexican gray wolves are protected under the Endangered Species Act. Killing a Mexican wolf can result in criminal penalties ...

Wildlife officials are seeking the public's help with information regarding the death of an endangered female Mexican wolf.

Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University ...

The rule that Tucson restaurant owner Grant Krueger is fighting may be illegal. But it deals with a real problem: Hens ...

Up to $103,500 in reward money from state and federal ... even in cases in which the animal is causing no inconvenience or loss. Ranchers in New Mexico and Arizona, who have long complained ...

A previous headline and version of this article misidentified the Southwestern bald eagle. The population of ...

The outbreak is Hawaii's first and appears to be part of a surge in poultry outbreaks in US states that are along the Pacific flyway, where wild birds are migrating south. Hawaii's outbreak also ...

Authorities are investigating a deadly two-vehicle crash near Broadway and Houghton in Tucson on Friday, Nov. 15.

An Arctic creature spotted roaming around an Oregon city last month won’t be sent back north, a nonprofit said. Instead, the ...