After cautious introductions, the bioengineered animals are eating, playing and chasing prey together ...

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 ...

Recently, the California Department of Fish and Wildlife announced it had made the difficult decision to kill four members of one of the state’s 10 known wolf packs in an area just north of Lake Tahoe ...

Colorado’s wolves made their first appearance within some southern Front Range watersheds in February.

The question of how many wolves a region can sustain without tipping the balance against prey herds, livestock operations, ...

In the 18 months since Colorado Parks and Wildlife began the voter-mandated reintroduction of gray wolves, seven of the 25 wolves it has relocated from Oregon and British Columbia have died. Four of ...