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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.
Apr 27, 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 ...
North American beavers are the largest rodents in North America and the second largest in the world (South America's capybaras being the heaviest). They weigh between 35 and 65 pounds (16 to 30 kilograms), with the heaviest beaver on record weighing 110 pounds (50 kilograms).
Life History. Beavers are monogamous. They mate at around three years of age. Females gestate the young for roughly three months before giving birth. A female will typically have one litter of kits a year, with litter size ranging from one to four kits. These kits, along with those born the previous year, stay with their parents inside the lodge.
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May 7, 2014 · Class: Mammalia. Order: Rodentia. Family: Castoridae. Genus: Castor. Where do beavers live? North American beavers live in Canada, large portions of the United States & northern Mexico.
10-20 years. Top speed. 55. km/h mph. Weight. 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.
The American Beaver, Castor canadensis, is found throughout North America. They are considered ecosystem engineers because of their ability to drastically alter ecosystems. The largest rodents in North America, beavers are herbivores feasting on herbaceous plants and the bark of woody plants.
