Rodent and Beaver - amazonia.fiocruz.br

Rodent and Beaver Video

Beavers are large, semiaquatic rodents of the temperate Northern Hemisphere.

There are two extant species in the genus Castorthe North American beaver Castor canadensis Baltimore the Eurasian beaver C. Beavers are the second largest living rodents after the capybaras. They have stout bodies with large heads, long chisel-like incisorsbrown or gray furRodent and Beaver front feet, webbed back feet and flat, scaly tails.

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The North American beaver has a larger skull with a broader tail. The animals can be found in a number of freshwater habitatssuch as rivers, streams, lakes and ponds. They are herbivorous and consume tree barkaquatic plantsbrush, grasses and sedges.

Beavers build Geriatric Assessment Rodent and Beaver lodges using tree branches, vegetation, rocks and mud; they chew down trees for building material. Dams impound water and lodges serve as shelters. Their infrastructure creates wetlands used by many other species and because of their effect on other organisms in the ecosystem, they are considered a keystone species.

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Adult males and females live in monogamous pairs with their offspring. When they are old enough, the young will help their parents repair the Rodent and Beaver and lodges and may also help raise the newly born offsrping. Beavers are highly territorial and mark them using scent mounts made of mud, debris and castoreuma urine-based substance excreted through the beaver's castor sacs.

Beavers can also recogize their kin by their anal gland secretations and Rodent and Beaver more likely to tolerate them as neighbors. Historically, beavers have been hunted for their fur, meat and castoreum. Castoreum has been used in medicine, perfume and food flavoring, while beaver pelts have been a major driver of the fur trade. Before protections began in the 19th and early 20th centuries, both species had been decimated by overhunting.]