BEAVER, Castor canadensis 



(Kigiak, Paluktok) 



Range. — Most of the continent nortli of Mexico. 



Habit<i.t.— Along streams and lakes, particularly 

 in proximity to stands of poplar, birch, and willow. 



Races in Alaska. — The typical race cmiade-nsis 

 has been reported near the Kobuk River, northwest 

 Alaska; behi,gae (type locality: Beluga River, 

 Cook Inlet region) occurs over most of Alaska; 

 phaeus (type locality: Pleasant Bay, Admiralty 

 Island) occurs on that island and on Chichagof 

 Island. 



Introductions. — Beavers were introduced at 

 Spruce Lake, on Kodiak Island, and on Raspberry 

 Island in 1929-31 and have become established. 



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