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

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Junction Butte pack member 1478 F before she was illegally killed in December. (Courtesy of Sylvia Borgonovo) A gray wolf was ...

A wolf considered a "rising star" in one of the world's most famous packs was shot and killed last month, officials say Wildlife experts said the animal, Wolf 1478F, appeared to be next in line to ...

The agency was replacing low-battery GPS collars used to monitor the wolves and mitigate livestock conflicts. A necropsy is being performed to determine the cause of death, and capture operations are ...

For thousands of years, wolves occupied a range of North American habitats stretching from Arctic tundra to deserts. Their ...