Such killings are not new but are typically carried out by wildlife officials.

While wolves have become more commonplace in the Rocky Mountains and Pacific Northwest, a young female recently made her presence known an hour north of LA.

State and federal wildlife agencies reported 319 Mexican gray wolves in the wild, up from 286 a year ago.

Mexican gray wolves continue to be one of the most controversial conservation issues in Arizona and across the region.

For the first time since their species was reintroduced in Colorado, a gray wolf has been tracked into Pueblo County.

The population of Mexican gray wolves living in Arizona and New Mexico rose from a count of 286 documented individuals at the ...

Arizona and New Mexico wildlife agencies recently reported that the population of endangered Mexican gray wolves grew by 33 wolves last year.

For the first time in a century, biologists have documented a gray wolf in Los Angeles County over the weekend, a sign that these predators that were eliminated from the state by hunters are ...

Just 13 years after gray wolves were re-introduced into the lower 48 states, they're going off the Endangered Species List. At the same time, polar bears may go on the list—because of dangers that lie ...

The gray wolf will come off the endangered species list in Michigan, Minnesota and Wisconsin next month as the federal government unravels itself from the costly business of protecting wild animals.