But exactly what species would we be gazing lovingly at ... His weight is said to have been 65 kilograms (143 pounds), the largest wolf ever recorded in Yellowstone. According to the Guinness ...

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.

After the United States Congress passed the original Endangered Species Preservation Act in 1966, the gray wolf made the original Endangered Species List. The subsequent Endangered Species Act of ...