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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 larger on average but the American has a larger known maximum size.
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 ...
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.
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 ]
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]
The North American beaver is the state mammal of New York. The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature :
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 ...
Beaverland is a non-fiction book describing the behavior, history, and cultural significance of the North American beaver.Philip discusses the relationship between beavers and humans throughout history with a focus on Indigenous cultures and the American westward expansion.