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1935 - Finland: in 1935, 17 Eurasian beavers were reintroduced, then two years later North American beavers sourced from New York were released. At the time, a difference between the species was unknown. Today, the North American beaver is considered an invasive species in Finland, and outnumbers Eurasian beavers 5:1.
The Eurasian beaver (Castor fiber) or European beaver is a species of beaver widespread across Eurasia, with a rapidly increasing population of at least 1.5 million in 2020. The Eurasian beaver was hunted to near-extinction for both its fur and castoreum , with only about 1,200 beavers in eight relict populations from France to Mongolia in the ...
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A family of beavers has been released in the Paradise Fields wetlands area, in Ealing, west London. ... News. Science & Tech. Shopping. Sports. Weather ...
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A five-year trial reintroduction at Knapdale in Argyll started in 2009 and concluded in 2014. [73] A few hundred beavers live wild in the Tay river basin, as a result of escapes from a wildlife park. [74] A similar reintroduction trial is being undertaken on the river otter in Devon, England. [75]
The beaver is the largest rodent in North America and competes with its Eurasian counterpart, the European beaver, for being the third-largest in the world, both following the South American capybara and lesser capybara. The European species is slightly larger on average but the American has a larger known maximum size.
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