Currently, gray wolves are considered endangered in most of the contiguous U.S. It’s usually illegal to kill a wolf unless it’s done to defend a human, or in some cases, livestock.

The gray wolf, also known as the timber wolf or the western wolf, is a canid native to the wilderness and remote areas of North America, Eurasia, and North Africa. It is the largest extant member ...

The gray wolf population more than doubled between 2022 and 2023 — from just 18 wolves to over 40 last year, prior to this year’s record-breaking 30 new pups.

A gray wolf who was part of a group of wolves brought to Colorado earlier this year has died in a different state.

The expansion of gray wolf populations is upending California cattle operations, leading to millions of dollars in losses for ranchers, a report published Monday has found. The introduction of ...

Gray wolf. getty Rewards are being offered to nab the killers of gray wolves in Colorado, Oregon and Washington in recent in a spate of criminal acts against the federally protected animals.

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves recently featured prominently in the HBO series "Game of Thrones".

Through cloning, embryos were created from the edited gray wolf cells, and these were implanted in surrogate domesticated dog mothers. Three different dogs gave birth to the pups.

The gray wolf is a protected endangered species in California. As the population recovers, run-ins with livestock and humans have become more common.

OR-25, a male gray wolf formerly of eastern Oregon’s Imnaha Pack, lies in a meadow after being radio-collared by Oregon wildlife officials in 2014. Endangered gray wolves have gained more ground ...

Smaller than the gray is the red wolf, at roughly 66 centimeters (26 inches) at the shoulder, and ranging in weight from around 20 to 36 kilograms (45 to 80 pounds).