Notes on the Small Mammals of Churchill, Manitoba

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Abstract
The Churchill area lies in the important zone of transition between the boreal forest which lies to the south and west, and the tundra which extends to the north. This region is inhabited by a large and varied fauna with both forest and tundra forms represented. Among the mammals, certain boreal forest species such as the squirrel, Tamiasciurus hudsonicus; the voles, Clethrionomys gapperi, Phenacomys intermedins and Synaptomys borealis; and the jumpingmouse, Zapus hudsonius, reach the northern limit of their range up the west coast of Hudson Bay in this region. Here too, tundra species such as the hare, Lepus arcticus, the lemmings, Lemmus trimucronatus and Dicrostonyx groenlandicus; and the fox, Alopex lagopus, reach or near their southern distribution limit.