| Mammal with large front teeth for gnawing, short legs; back and tail covered with quills
Conifer forests that include large hollow trees or small caves under rocks or logs for denning
Green vegetation in spring and summer, the inner bark (cambium) of spruce and birch trees in winter
Lynx, coyotes, wolves, wolverine, some bears
The wounds this animal inflicts on tree bark allow various microscopic parasites to enter trees.
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