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With more than half of the translocated wolves now dead, Colorado's wolf reintroduction program is unraveling.

The award-winning documentary “Lost Wolves of Yellowstone,” in IMAX, is now showing on San Diego’s largest IMAX screen, in ...

A tour group watched a pack of wolves unsuccessfully try to take down a bison in Yellowstone National Park this past weekend.

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

Image via Shutterstock In the battle of bison vs wolf, the bison has emerged the victor. A buffalo sent a wolf flying while at Yellowstone. The incident happened at the Blacktail Plateau. Wolves ...

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

Wolves and ravens have long been closely associated with each other. In Norse mythology, the god Odin sent two ravens, Huginn and Muninn, into the world to act as his spies. To ensure his private ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...