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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 ...
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.
North American beavers (Castor canadensis) are the largest rodent species in the United States and the second largest in the world. They have stocky bodies, weigh between 35 and 65 pounds, and are ...
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
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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.
The beaver (genus Castor) is a primarily nocturnal, large, semi-aquatic rodent in the Castoridae family. Subcategories This category has the following 5 subcategories, out of 5 total.