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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.
Historically, the North American beaver was trapped and nearly extirpated because its fur was highly sought after. Protections have allowed the beaver population on the continent to rebound to an estimated 6–12 million by the late 20th century; still far lower than the originally estimated 60–400 million North American beavers before the ...
European (Homarus gammarus) and American lobsters (H. americanus) [206] [207] [208] date uncertain Europe, the United States: meat Captive-bred 6e Other arthropods: American bullfrog (Lithobates catesbeianus), northern leopard (L. pipiens), pig (L. grylio), and northern green frogs (L. clamitans melanota) date uncertain North America
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 ...
This is a list of maximum recorded animal lifespans in captivity. Only animals from the classes of the Chordata phylum are included. [1] On average, captive animals (especially mammals) live longer than wild animals.
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 ...
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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 :