Now extinct, the giant beaver was once a highly successful species. Scientists have found its fossil remains at sites from Florida to Alaska and the Yukon.

If a modern beaver can fell big trees, dam rivers and essentially create its own habitat — imagine what a two-metre-tall giant beaver with 15-centimetre incisors could have done? Yukon ...

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 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.

PORTLAND, Ore. — Behemoth beavers that lived in North America during the last ice age ate little if any material from trees, a new analysis suggests. The extinct giant beaver, Castoroides ...

LAS VEGAS – Blessed with a hidden chamber in their oversized skulls, extinct giant beavers may have created a unique Ice Age call of the wild. Detailed CT scans reveal a dead-end passageway ...

Giant beavers the size of black bears once roamed the lakes and wetlands of North America. Fortunately for cottage-goers, these mega-rodents died out at the end of the last ice age. Now extinct ...

About 10,000 years ago, giant beavers that roamed across North America went extinct. In a new study, a team of researchers found that the mega-rodents died out because of climate change.

A side-by-side comparison of the modern beaver, Justin Bieber and the giant prehistoric beaver. Courtesy of Scott Woods/Western University Before the end of the last Ice Age, giant beavers roamed ...

A giant prehistoric beaver is poised to become Minnesota’s state fossil. Castoroides ohioensis, a relative of modern beavers that was as big as a black bear, won a months-long contest for the ...

Giant beavers the size of black bears once roamed the lakes and wetlands of North America. Fortunately for cottage-goers, these mega-rodents died out at the end of the last ice age. Now extinct, the ...