A century ago, resident wolves were eliminated from the park. In 1995, biologists brought them back, marking a historic ...

In Wyoming it’s legal to harvest gray wolves that range outside Yellowstone’s boundaries. An animal-rights activist wants 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 ...

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members working together to isolate and exhaust an animal. That reality makes one ...

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

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. This winter saw the most wolves from ...

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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Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...