Environmentalists raised concerns that wall construction near El Paso would further fragment the wildlife corridor between the U.S. and Mexico.

A spotted gray wolf has left his California pack and trotted across Silver State lines, wildlife biologists say. Nevada Department of Wildlife spokeswoman Ashley Zeme said the wolf is in the north end ...

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 ...

The California Department of Fish and Wildlife (CDFW) recently completed helicopter capture operations resulting in the ...

A gray wolf that wandered into remote areas of western Nevada this week has returned to California, Nevada Department of Wildlife spokesperson Ashley Zeme told the Reno Gazette Journal on Wednesday ...

For thousands of years, wolves occupied a range of North American habitats stretching from Arctic tundra to deserts. Their numbers were drastically reduced by hunting and habitat loss, and it has ...

Add Yahoo as a preferred source to see more of our stories on Google. A gray wolf has been spotted in Los Angeles County for the first time in more than 100 years, marking a major milestone in the ...

A lone gray wolf padded quietly into Los Angeles County before dawn on Saturday — and made history. State biologists say the female wolf may be the first documented in Southern California in 100 years ...