A collared gray wolf released in Colorado in January as part of the state’s historic reintroduction effort died in Rocky ...

Colorado Parks and Wildlife said the death of a female gray wolf last weekend in Rocky Mountain National Park is currently under investigation.

Colorado Parks and Wildlife biologists confirmed that the death of a female gray wolf occurred in Rocky Mountain National ...

One of Colorado’s gray wolves released into the state as part of a reintroduction effort has died in Rocky Mountain National ...

Colorado’s collared gray wolves continued to travel widely last month — even roaming in watersheds that reach into the ...

Colorado Parks and Wildlife confirmed a female gray wolf died on April 20.According to wildlife officials, the death occurred ...

Colorado Parks and Wildlife said the death of a female gray wolf last weekend in Rocky Mountain National Park is currently ...

Wolf survival in Colorado is within normal margins for a wolf population in the Rocky Mountains. Any reintroduction effort includes eventual mortality levels and these were incorporated into the ...

Wolves are known to travel long distances, but one Colorado wolf covered the distance equivalent from Denver to San Francisco ...

When they disappeared, the gray wolf took over. open image in gallery An artist's rendering shared by the National Park Service shows feeding dire wolves thousands of years ago. They ate horses ...