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Beavers (genus Castor) are large, semiaquatic rodents of the Northern Hemisphere. There are two existing species: the North American beaver ( Castor canadensis) and the Eurasian beaver ( C. fiber ). Beavers are the second-largest living rodents, after capybaras, weighing up to 50 kg (110 lb).
May 7, 2014 · Beaver taxonomy: Kingdom: Animalia. Phylum: Chordata. Class: Mammalia. Order: Rodentia. Family: Castoridae. Genus: Castor. Where do beavers live? North American beavers live in Canada,...
Oct 13, 2015 · Kingdom: Animalia Subkingdom: Bilateria Infrakingdom: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass: Tetrapoda Class: Mammalia Subclass: Theria ...
Mar 7, 2024 · beaver, (genus Castor), either of two species of amphibious rodents native to North America, Europe, and Asia. Beavers are the largest rodents in North America and Eurasia and the second largest rodents worldwide. Their bodies extend up to 80 cm (31 inches) long and generally weigh 16–30 kg (35–66 pounds); however, beavers continue to grow ...
Taxonomy. Evolution. The first fossil records of beaver are 10 to 12 million years old in Germany, and they are thought to have migrated to North America across the Bering Strait. The oldest fossil record of beavers in North America are of two beaver teeth near Dayville, Oregon, and are 7 million years old. [29] Subspecies.
11-32. kg lbs. Length. 74-90. cm inch. The North American beaver ( Castor canadensis) is a semiaquatic animal native to North America. It is one of the official national wildlife of Canada symbols and is the official state mammal of Oregon and New York. Nocturnal. Herbivore. Li.
General characteristics. A beaver skull. The two beaver species, Castor canadensis (American beaver) and Castor fiber (European beaver) are very similar, being chiefly distinguished by the form of the nasal bones of the skull. They are the world's second-largest rodents, after the capybara of South America ( Hydrochoerus hydrochaeris ).