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The Eurasian beaver (Castor fiber) or European beaver is a species of beaver widespread across Eurasia, with a rapidly increasing population of at least 1.5 million in 2020. The Eurasian beaver was hunted to near-extinction for both its fur and castoreum , with only about 1,200 beavers in eight relict populations from France to Mongolia in the ...
Anal glands produce an oily substance which the beaver uses as a waterproof ointment for its coat. The substance plays a role in individual and family recognition. Anal secretions are darker in females than males among Eurasian beavers, while the reverse is true for the North American species. [36] Eurasian beaver swimming
The Eurasian beaver was hunted and trapped to the point of near extinction. Fossil evidence shows that the Eurasian beaver lived from Western Europe to the Chinese-Mongolian border. By the beginning of the 20th century, only about 1,200 Eurasian beavers were left in their native area. [ 2 ]
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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.
4.1 Beavers. 4.2 Pocket gophers. 4.3 Kangaroo rats and pocket mice. ... This list of mammals of Oklahoma lists all wild mammal species recorded in the state of ...
A family of beavers has been released in the Paradise Fields wetlands area, in Ealing, west London.
North American beaver: Castor canadensis: Extant: 50 kg (110 lb) 5: Lesser capybara: Hydrochoerus isthmius: Extant: 45.4 kg (100 lb) 6: Eurasian beaver: Castor fiber: Extant: 40 kg (88 lb) 7: Cape porcupine: Hystrix africaeaustralis : Extant: 30 kg (66 lb) 8: Crested porcupine: Hystrix cristata : Extant: 27 kg (60 lb) 9: North American ...