Barley’s professional title is “canine conservationist.” This summer, the former shelter Australian Shepherd was searching the woods on the outskirts of Craig, Alaska, for wolf poop. “Biologists love ...

Claims that wolves have rescued Yellowstone National Park aspen trees through a "trophic cascade" oversimplify a complex story.

Yellowstone has opened the eyes of experts to another ecological phenomenon, which has been linked to the return of wolves in the area. It has been explained in detail within the journal Forest ...