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North American beaver skeleton (Museum of Osteology) Lithograph of a Canadian beaver, 1819. The beaver is the largest rodent in North America and competes with its Eurasian counterpart, the European beaver, for being the third-largest in the world, both following the South American capybara and lesser capybara. The European species is slightly ...
Castoroides (from Latin castor (beaver) and -oides (like) [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.
Beaver pelts caused or contributed to the Beaver Wars, King William's War, and the French and Indian War; the trade made John Jacob Astor and the owners of the North West Company very wealthy. For Europeans in North America, the fur trade was a driver of the exploration and westward exploration on the continent and contact with native peoples ...
Unlike many trees in North America, trees in South America often do not regenerate when coppiced, destroying the forest. [9] As well as felling trees, the animals create dams that drown trees and other vegetation while creating freshwater ponds and lakes. [10] Flooding from beaver dams also damages roads and cattle pastures. [6]
Discovered (for the first time by European Americans): Black-tailed prairie dog (Cynomys ludovicianus) Bushy-tailed woodrat (Neotoma cinerea) Grizzly bear (Ursus arctos horribilis) Mule deer (Odocoileus hemionus) Pronghorn (Antilocapra americana) Swift fox (Vulpes velox) White-tailed jackrabbit (Lepus townsendii) Described: American badger ...
This is a list of North American mammals. It includes all mammals currently found in the United States, St. Pierre and Miquelon, Canada, Greenland, Bermuda, Mexico, Central America, and the Caribbean region, whether resident or as migrants. This article does not include species found only in captivity.
The earliest castorids belong to the genus Agnotocastor, known from the late Eocene and Oligocene of North America and Asia. [2] Other early castorids included genera such as Steneofiber , from the Oligocene and Miocene of Europe, the earliest member of the subfamily Castorinae, which contains castorids closely related to living beavers. [ 3 ]
Beaver, Castor californicus. Castor californicus is an extinct species of beaver that lived in western North America from the end of the Miocene to the early Pleistocene. [2] Castor californicus was first discovered in Kettleman Hills in California, United States. The species was similar to but larger than the extant North American beaver, C ...