Jaw-dropping prey-predator interaction between elk and gray wolf in Yellowstone National Park bewilders viewers Wildlife ...

Typically, wolves will yield to incoming bears. Since hunting is dangerous and often unsuccessful, it’s better for wolves to wait their turn at a carcass that has been usurped by a bear than it is for ...

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-held scientific assumptions, wolves will move den sites to follow ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return wolves to the ecosystem. The successful growth of a new Aspen overstory for the ...

For more than a decade a passionate debate has reverberated within Yellowstone National Park’s scientific community regarding wolf reintroduction. Did wolves improve aspen growth by helping to reduce ...

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 ...