Putting GPS collars on big game animals such as elk and deer helps wildlife biologists collect data about herd migration patterns they can use to gauge herd health, recognize wildlife needs and ...

A photographer has spent months capturing incredible aerial shots of sheep, as a herd of more than a thousand strong migrates across the land. Lior Patel, from Israel, works as a full-time commercial ...

A group of Western Arctic Herd caribou pause in front of mountains in Kobuk Valley National Park during fall migration in 2016. The Western Arctic herd, one of the largest in the world, has been in ...

One of the largest caribou herds in Alaska is shrinking, prompting hunters and conservationists to consider recommending hunting restrictions. The Western Arctic Caribou Herd population is down to an ...