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Why A Dog's Tail Wags (And Why You Shouldn't Cut It Off)

06/22/2015 05:07 pm ET | Updated Jun 22, 2015
bullcitydogs/Flickr

If you think about it, a dog's tail might be his most effective means of communication. It tells us when he's happy, when he's anxious and, sometimes, he uses it to smack us in the face when he wants some attention. "Accidentally," of course.

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