Wolf

Lone Yellowstone wolf has bison calf for breakfast

Yellowstone has up to 8 wolf packs with nearly 500 wolves

Even watching on video, a wolf's howl will raise the hair on your neck

I haven't seen a convergence of apex predators like this as long as I can remember. There's a somewhat recent video share of two grizzlies who are duking it out in the middle of a highway. Little did they know they had a lone wolf as a spectator.

Here's what it's like to meet and get kisses from Colorado rescue wolves.

A wolf-hybrid from the Colorado Wolf and Wildlife Center is being showcased on Frontier Airlines' newest airplane.

Officials say department regulations have helped reduce livestock conflicts.