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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.
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.
The two beaver species are the North American and the Eurasian beaver. ©Vlad G/Shutterstock.com North American beavers ( Castor canadensis) are the largest rodent species in the United States and ...
Beavers continue to pile on more material until the dam slopes in a direction facing upstream. Dams can range in height from 20 cm (7.9 in) to 3 m (9.8 ft) and can stretch from 0.3 m (1 ft 0 in) to several hundred meters long. Beaver dams are more effective in trapping and slowly leaking water than man-made concrete dams.
Leave It To Beavers, PBS video documentary online; Ecology of the Beaver Archived February 17, 2020, at the Wayback Machine "Worth a Dam" (beaver information and educational site) The Beaver A Keystone Species, a short video by Mike Foster ; Video Eager Beavers Take on Climate Change: Restoring Nature's Engineers in Utah by Grand Canyon Trust
The parachuting beavers have become an Idaho icon, and the project represents a pivotal shift in how the animals were managed, experts said. It’s been 75 years since Idaho parachuted beavers ...
Fairfax’s recent research found that beavers’ skills are useful even in the face of megafires like the Beckwourth — a 105,000-acre behemoth whose burn scar joined with that of the Dixie fire ...
In their natural range in North America, bears and wolves prey on the beavers and keep the population under control. One observer noted that anyone considering importing beavers should also import bears, those being the beavers' natural predators. [4] According to a June 2011 NPR report, 200,000 beavers were living in the area. [6]