Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in ...

Scientists Warn Yellowstone Wolves Could Be Approaching a Crisis ...

Add Yahoo as a preferred source to see more of our stories on Google. A wolf carries a very young pup by its hindquarters in this image caught by a game camera. A new study shows that contrary to long ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

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, ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

Yellowstone National Park is unlike anywhere else on Earth. Yellowstone National Park is unlike anywhere else on the planet. It's the last intact temperate zone ecosystem on Earth and has a wide ...

A model ecosystem for carnivores in Greater Yellowstone / Tim W. Clark, Steven C. Minta, A. Peyton Curlee [et al.] -- Greater Yellowstone carnivores: a history of changing attitudes / Paul Schullery, ...