Gray wolves know that the best way to survive in this world is together. They live in pack families, relying on each other to ...

"Painter et al. claim that large-carnivore recovery in Yellowstone National Park has produced a strong trophic cascade compared to other systems, citing a 152-fold increase in aspen sapling density ...

Thirty years after wolves were reintroduced to Yellowstone National Park, researchers say aspen trees are showing stronger ...

8-Mile pack pups from two breeding females’ litters excitedly greet adults returning to the den. Pup survival to independence increases significantly with increasing numbers of adult pack members, who ...

Confidence goes only so far when a grizzly bear is standing between you and dinner. In Yellowstone National Park, one bison carcass led a young wolf to see if a grizzly bear, alre ...

Wyoming officials say they recognize the Mollie’s Pack’s historic significance and have taken steps to address the situation.

This kind of behavior is not encouraged. A man was caught on video approaching and spraying at a Yellowstone wolf pack. Bystanders shouted warnings. Park officials advise staying at least 100 yards ...

The long-lived, one-eyed wolf 907F died this Christmas after a fight with a rival wolf pack, Yellowstone researchers have confirmed. Reading time 2 minutes One of Yellowstone Natural Park’s most ...

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A playful Yellowstone wolf pup is giving weekend vibes after he was caught on camera making off with a grizzly bear warning sign—and turning the post into a chew toy. Wolves just wanna have fun.