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Castoridae is a family of rodents that contains the two living species of beavers and their fossil relatives. A formerly diverse group, only a single genus is extant today, Castor . Two other genera of "giant beavers", Castoroides and Trogontherium , became extinct in the Late Pleistocene .
Beavers is a 1988 IMAX documentary directed by Stephen Low, focused on the lives of a group of beavers in Port Perry, Ontario and Kananaskis Country, Alberta.Wildlife expert William Carrick had hand-raised the beavers prior to filming, but they were not trained to perform; Low later described their performance as "very natural" and uninhibited by the presence of cameras and crew.
Beavers typically disperse from their parental colonies during the spring or when the winter snow melts. They often travel less than 5 km (3.1 mi), but long-distance dispersals are not uncommon when previous colonizers have already exploited local resources. Beavers are able to travel greater distances when free-flowing water is available.
Beaver primarily develop canals to increase accessibility of river resources, facilitate transport of acquired resources, and to decrease the risk of predation. Beaver canals can be over 0.5 km in length. [68] Beavers build canals by pushing through soil and vegetation using their forelimbs.
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.
Emily Fairfax is an ecohydrologist, beaver researcher, and assistant professor of geography at the University of Minnesota.She is best known for her research describing how beavers create drought and wildfire resistant patches in the landscape.
The Corporation for Public Broadcasting was created on November 7, 1967, when U.S. president Lyndon B. Johnson signed the Public Broadcasting Act of 1967.The new organization initially collaborated with the National Educational Television network—which would be replaced by the Public Broadcasting Service (PBS).
Stephen Henderson Talbot (born February 28, 1949) is a TV documentary producer, writer and reporter.Talbot directed and produced "The Movement and the 'Madman' " for the PBS series American Experience in 2023. [1]