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Mouse-damaged aspen bark

During winter, high populations of meadow mice sometimes are forced to partially debark aspen trees to get at the cambium layer for food. They do this as high up as the snow provides cover for them. After the bark has been fed on it develops a very rough texture.
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218-aspenbark

 

photo by Howdy Howard, published in Saved by Bedbugs (2004)
 
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