Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

The estimates show wolf numbers peak in May due to new pups being born, but the numbers start to decline afterwards due to ...

After Wisconsin hunter Jim Jordan shot a 200-plus-inch buck in 1914, his taxidermist vanished — along with the massive ...

The Entelodont, the largest prehistoric pig to inhabit North America in the Eocene Period, could grow up to the size of a ...