To find out more about the ancient beaver diet, researchers analyzed chemical imprints in the giant beavers called stable isotopes, which can linger in bones for tens of thousands of years.

The most natural question about a beaver's diet likely involves what we see them munching on the most: wood. Well, it would ...

Beavers use the brown slime, often compared to a thinner version of molasses, to mark their territory. The musky, vanilla scent is attributed to a beaver's diet of bark and leaves. More On This ...

Giant Beavers the Size of Black Bears Once Roamed North America Vanished Suddenly 10,000 Years Ago, ... Plint noted "We actually found out that the giant beavers were eating a diet of aquatic plants.

None of these species are part of the beaver’s diet, but they could serve as food for other creatures. “All that diversity would add whole new layers to food webs,” Roth says.

Why we don't see the giant beaver today. At the end of the Pleistocene just over 11,000 years ago, nearly all of Canada and the northern United States was covered in ice.