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This page focuses on helping you understand where beavers once lived, and where they can be found currently. This may be useful in deciding if beavers should be reintroduced to your area to help protect against forest fires and other ecological benefits.
If you want to learn more about beavers, click the Beaver button!
Population and distribution of beavers Castor fiber and Castor canadensis in Eurasia "This paper is the third review – including short updates the fifth paper – intended to summarise Eurasian beaver Castor fiber distribution change and population development..."
Wikipedia: Eurasian Beaver multiple maps of beaver ranges over Europe and Asia.
Eurasian beaver population and distribution: The past, present and future (PDF) includes Probable post Ice-Age distribution of beavers in Eurasia
The Return of the European Beaver Map shows original range, relic populations, as well as introduced Eurasian and North American populations.
Distribution patterns of the native Eurasian and the non-native North American beaver in Finland This paper discusses possible factors affecting the slow range expansion of the native species
The Distribution of Beaver (Castor fiber) in Norway in 2005 "The country was divided into 10 km 2 quadrates and each point refers to a quadrate where either beaver, or their lodges or dams, have been observed (Rosell and Parker 2011). The data were collected by the Norwegian Zoological Society (Norsk Zoologisk Forening, Prosjekt Pattedyratlas) based on information from numerous sources including municipal wildlife managers, landowners, hunters, and society members."
The Scottish Beaver Trial at Knapdale, mid-Argyll, western Scotland and the Tayside catchments in eastern Scotland "where unauthorised releases of beavers have taken place (•). Also shown in grey is the network of 'potential core beaver woodland' across mainland Scotland."
Estimated North American Historic Beaver Distribution The map in this resource shows where beavers used to be present, and where they are currently absent.
The Overlapping Pleistocene Ranges of the Beaver (Castor canadensis) and the Alligator (Alligator mississippiensis) "The beaver enjoys an extensive range as the below map shows. However, it is presently absent in most of penninsular Florida. The scientific literature offers no reason for this absence."
California
Nevada