A gray wolf who was part of a group of wolves brought to Colorado earlier this year has died. That's according to officials from Colorado Parks and Wildlife, who announced on Friday that the male ...

A collared gray wolf released in Colorado in January as part of the state’s historic reintroduction effort died in Rocky Mountain National Park this week, wildlife officials said Thursday.

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

A U.S. Federal Agency says it killed a Mexican Gray Wolf in Arizona by mistake. The incident happened last week, after the U.S. Fish and Wildlife Service gave an order to kill an uncollared wolf ...