The deaths of one-third of the individuals reintroduced this year exceeds a benchmark the state set for itself in 2023.

A gray wolf was found dead in northwest Colorado over Memorial Day weekend, according to Colorado Parks and Wildlife ...

Wolf 2507 is the latest to die in Colorado, triggering a mortality alert. Officials say survival rates are “normal”—but how ...

Colorado officials killed a wolf that was preying on livestock, and which had been relocated previously due to concerns ...

Nearly a third of the wolves Colorado has reintroduced in the last two years have died. They’ve lost battles with mountain ...

Thirty-seven wolves died in Washington in 2024, including four killed for preying on livestock, one by a cougar, one dying ...

Tom Harrington lost a calf in last week’s attack and says the rest of the wolves in the pack involved still pose a threat to ...

Recent photographs chronicled a modern-day wildlife friendship between two apex predators that defied credibility.

Abstract: An improved hybrid grey wolf optimization algorithm (IHGWO) is proposed to solve the problem of population diversity, imbalance of exploration and development capabilities, and premature ...

Three new wolf packs have emerged in the rural, mountainous regions of northeastern California, wildlife officials announced.

For many Northern California ranchers, the question is no longer whether the wolves preying on their herds are going to be ...

California wildlife biologists confirmed three new gray wolf packs are living in North State counties Shasta, Tehama and Lassen.