Modern beaver incisors (front teeth) are sharp and chisel-like; giant beaver incisors were bulkier and curved, and lacked a sharp cutting edge. The species suddenly became extinct 10,000 years ago.

The large, extinct creatures roamed the Twin Cities area more than 10,000 years ago and could grow to more than 200 pounds ...

The giant beaver’s incisors could grow to be over 20 centimeters long! But they didn’t have the chisel-like tips that modern beavers have. With their shorter, sharper teeth, ...

The giant beaver died out about about 10,000 years ago, along with woolly mammoths, mastodons and giant sloths, at the end of the Ice Age, when the climate became to warm and dry for the water ...

The beaver beat out nine candidates and will go on to face the legislative process to become the state fossil. More than 11,000 people voted, and 25% of them voted for the giant beaver. (credit ...

Castoroides ohioensis, commonly known as the giant beaver, is an extinct, bear-sized animal that roamed North America alongside woolly mammoths and relatives of the saber tooth cat.

The researchers studied giant beaver bones and teeth found near Old Crow, Yukon, in the 1970s. Analysing the isotopic signatures of the fossils helped them determine what the animals ate.