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

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

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 ...