Beaver Species - the beaver genus castor is a large primarily nocturnal semiaquatic rodent castor includes two extant species the north american beaver castor canadensis native to north america and eurasian beaver castor fiber eurasia beavers are known for building dams canals and lodges homes both species of beaver are pletely vegetarian while they re monly thought to feed only on wood beavers enjoy aquatic plants sedges pondweed water lilies grasses and shrubs they will also eat berries in the summer season in winter months beavers gnaw the bark of birch poplar willow quaking aspen cottonwood alder and maple trees there are two species of beavers which are found in the forests of north america europe and asia these animals are active all winter swimming and foraging in their ponds even when a layer of beaver benefits a keystone species while beavers are considered to be pests by some scientists actually.
have proven that beavers are a keystone species in north america this means that beavers play a crucial role in biodiversity innumerable species rely either partly or entirely on beaver created beaver genus castor either of two species of hibious rodents native to north america europe and asia beavers are the largest rodents in north america span class news dt aug 13 2019 span nbsp 0183 32 beavers a freshwater species can adapt to live in coastal waterways affected by ocean tides photograph by charlie hamilton james nat geo image collection animals beavers are one of the largest rodents on earth their large rodent teeth never stop growing the beavers constantly gnawing on wood keeps their teeth from growing too long there are two species of beaver the north american beaver and the european beaver beaver engineering also includes two other activities lodge making and canal digging.
the construction of lodges by beaver adds coarse woody debris to the beaver pond which some fish species use for cover france 1997 collen and gibson 2001

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