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Beavers are not the only ones that like to consume bark as part of their diet. Last week in the forest by the Heritage Wetland Ponds I came across a large number of branches that had been debarked. To my best knowledge there are no beavers at this location and the branches were not by the water, so the question is what other animals would debark branches in this way? bit of research reveals that squirrels, voles and porcupines also chew bark for food. based on the amount of branches that had been chewed my guess would be that it was likely porcupines that chewed the bark off these branches. Just like beavers, porcupines chew through the outer layer of the bark and consume the inner bark, also known as phloem.
May the curiosity be with you. This is from “The Birds are Calling” blog (www.thebirdsarecalling.com). Copyright Mario Pineda.