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Archive for October 10, 2011

Beavers Grooming

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Usually inside their lodge, but occasionally outside, beavers spend hours a day coating their fur with a self-made water-repellent liquid.  This is accomplished by rubbing an oily secretion from their anal glands into their fur, thereby waterproofing it.  For the first month or two of life, young beavers don’t produce this substance, and their parents must apply their own secretion to the coats of their young.  Beavers groom themselves wherever they can reach, but rely on other family members to waterproof their backs, which is what is going on in the last photograph of the series.