Caribou in British Columbia's Interior face a tough road to recovery. Researchers are now urging a closer look at how the food given to caribou in maternity pens affects their health and chances of survival in the wild. Caribou have a unique diet. They love lichen, a plant-like organism that grows on trees and the forest floor. But not all lichen is the same. Differ...

In the lush, green forests of Poland, a rare sight caught the eye of wildlife researchers. First, a camera was set up to keep an eye on beavers. But instead of flipping, beavers it picked up wolves. Two black wolves, with fur as dark as night, that researchers say are likely siblings. So the camera stayed where it was. The sightings of these black wolves, were capti...