It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into two categories: ...

Twelve of Colorado's 25 released wolves have died. Here is a breakdown of their causes of death and which wolves are still alive.

While Colorado’s wolf restoration has now seen 25 wolves released and four packs formed, one group in particular has dominated the discourse: the Copper Creek pack. The Aspen Times recently sat down ...

For thousands of years, wolves occupied a range of North American habitats stretching from Arctic tundra to deserts. Their numbers were drastically reduced by hunting and habitat loss, and it has ...

A new wolf pack has emerged in California's northern Sierra, signaling continued growth of the state's small and fragile wolf population - and raising fresh concerns for ranchers in an area where many ...