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In 2011, a Eurasian beaver pair was introduced to a beaver project site in West Devon, consisting of a 4.4 acres (1.8 ha) large enclosure with a 600 feet (183 m) long channel and one pond. Within five years, the pair created a complex wetland with an extensive network of channels, 13 ponds and dams.
Beavers are associated with activity and environmental engineering. If you are “as busy as a beaver,” you are getting things done. These aquatic rodents spend most of their time in the water ...
The European species is slightly larger on average but the American has a larger known maximum size. Adults usually weigh from 11 to 32 kg (24 to 71 lb), with 20 kg (44 lb) being typical. In New York, the average weight of adult male beavers was 18.9 kg (42 lb), while non-native females in Finland averaged 18.1 kg (40
Skull of a beaver. 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.
As nearly 40% of the country is currently in drought, scientists are looking to the largest rodent in North America for help: the beaver.Researchers in California and Utah found that dams made by ...
Beaver dam, an animal construction which has a transformative effect on the environment. The beaver is a well known ecosystem engineer and keystone species. It transforms its territory from a stream to a pond or swamp. Beavers affect the environment first altering the edges of riparian areas by cutting down older trees to use for their dams ...
Beavers were once widespread, but were hunted to extinction in Britain in the 16th century for their fur, glands and meat. Mandy Lieu releasing one of the beavers from its cage (Nick Upton/Ewhurst/PA)
Eurasian beaver and kit by the River Tay in Scotland. After being extinct for several centuries, beavers were reintroduced to Great Britain in 2009. The Eurasian beaver has been the successful subject of a century of official and unapproved species reintroduction programs in Europe and Asia.