[NatureNS] Canadian beavers in Russia

Date: Thu, 24 Jul 2008 10:56:36 -0300
From: "Margaret E.Millard" <mmillard@eastlink.ca>
To: naturens@chebucto.ns.ca
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Now that has me curious. Apparently some 'Canadian' beavers were released 
into the wild of the Islands off the tip of South America and they were 
heading home and messing things up severely as they went. Does anyone know 
where they have gotten to and are they still rampaging?
Marg Millard
White Point,
 Queens


http://margmillard.ca
----- Original Message ----- 
From: "Dusan Soudek" <soudekd@ns.sympatico.ca>
To: "NatureNS" <naturens@chebucto.ns.ca>
Sent: Wednesday, July 23, 2008 10:02 PM
Subject: [NatureNS] Canadian beavers in Russia


   The latest issue of Maclean's magazine (July 28, page 43) has an 
interesting article about good old Castor canadensis wreaking havoc in parts 
of Russia. The animals are the descendents of Canadian beavers released into 
the wild in neighbouring Finland in 1937 in order to re-establish the 
overtrapped and overhunted local beaver populations.
   Apparently now there are some 20 000 wild Canuck beavers in northwestern 
Russian, perpetrating the usual misdeeds such as flooding infrastructure and 
felling valuable trees. It is not clear from the article whether the 
Canadian beavers are simply re-colonizing empty beaver habitat or whether 
they are actually displacing the native Eurasian species, Castor fiber. Or 
whether the two species are hybridizing.
   Dusan Soudek 


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