North America, with its variety of climates and landscapes, is home to some pretty amazing and incredible animals. From the Arctic of Greenland and Canada, the grasslands, deserts, forests, and ...

Dire wolves, brought back into the spotlight through recent cloning efforts, are often portrayed as the greatest of ...

In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest and most powerful ... excitement over what extinct animal it could have belonged ...

The largest of all North American frogs, this giant can grow to a length of 8 inches or more and weigh up to 1.5 pounds. Even the tadpoles of this species can reach 6.75 inches in length.