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Castoroides (Latin: "beaver" (castor), "like" (oides) [2]), or the giant beaver, is an extinct genus of enormous, bear-sized beavers that lived in North America during the Pleistocene. Two species are currently recognized, C. dilophidus in the Southeastern United States and C. ohioensis in most of North America.
Trogontherium is an extinct genus of Eurasian giant beavers that lived from the Late Pliocene to the Late Pleistocene. Fossils of Trogontherium have been found across northern Eurasia, from Western Europe to China and Siberia.
Giant beaver may refer to: Castoroides, an extinct Pleistocene genus of beavers from North America; Trogontherium, an extinct Pleistocene genus of beavers from Eurasia
Skull of a beaver. Castoridae is a family of rodents that contains the two living species of beavers and their fossil relatives. A formerly diverse group, only a single genus is extant today, Castor. Two other genera of "giant beavers", Castoroides and Trogontherium, became extinct in the Late Pleistocene.
Some of the large mammal fossils found at the site include Columbian mammoths, ground sloths, dire wolves, giant beavers, pre-historic bison, three species of camels, several horse species, peccary, and an extinct bear. Bird fossils include flamingos, pelicans, and swans, and large eagle species.
The Tule River Indian Tribe and state wildlife crews reintroduced nine beavers to their natural habitat in the Sierra. Beavers, back on tribal land after 100 years, could aid California's fragile ...
A 2012 study of beavers' mark on the landscape found that cut stumps were negatively related to distance from beaver canals, but not to the central body of water. This finding suggested that beavers may consider the canals to be part of their "central place" as far as foraging activity is concerned.
During cold spells Illinois was home to animals like mammoths, mastodons, stag mooses, and giant beavers. Snowshoe hares also used to make their home in Illinois. [20] The Illinoian (stage) glaciation occurred some 300,000 to 130,000 years ago. The last time glaciers covered Illinois was during the Wisconsin glaciation 25,000 years ago. [18]