The thing looked like nothing so much as a giant beaver, complete with two huge buck teeth in front.

This area was believed to be haunted by the spirit of a giant beaver which lived between the upper and lower falls.

Nothing is known on whether the giant beaver built lodges like modern beavers.

Castoroidinae was a giant beaver, big as a bear.

A half hour later she ignored one of its cousins, which took the semblance of a giant beaver.

In addition, the tail of the giant beaver must have been longer but narrower and its hind legs shorter.

The Cree people also have myths about giant beavers.

The teeth of the giant beaver are bigger and broader, and grew to about 15 centimeters (6 inches) long.

The extinction of the giant beaver may have been caused by ecological restructuring at the end of the Pleistocene.

The arrival of humans in the Americas could have been a factor, but there is no evidence that humans hunted the giant beaver.