The critically endangered Mexican wolf was mounting a comeback, thanks to a conservation program that dropped fostered wolf pups into wild dens. Then politics happened.

After being delayed a day, Colorado Parks and Wildlife published the April wolf activity map that shows extensive travel from ...

After the Endangered Species Act was passed in 1973 and the Mexican wolf added to the endangered list in 1976, just seven wolves — three captured from the wild and four already in captivity — proved ...

Then, you spot them: a pair of sharp yellow eyes watching you from the treeline. It’s a wolf. Now what? First off, don’t ...

ALBANY, N.Y.— Conservation groups announced today that testing by the New York State Department of Environmental Conservation and the New York State Museum revealed that a wolf killed in upstate New ...