Fourteen years after the first gray wolf, known as OR-7, was spotted in California in a century, the population has grown to ...

The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...

The Mexican wolf, or lobo, is the smallest subspecies of gray wolf in North America, weighing between 50-80 pounds with a characteristic buff, gray, rust and black fur coat. The wolves are also ...

The number of endangered Mexican gray wolves has increased for the ninth year in a row, but advocates say recovery isn't ...