Why Do Dogs Walk in Circles Before Lying Down?
If you have a dog, you’ve surely witnessed it walking around in circles before plopping down for a snooze. Believe it or not, this odd behavior is actually prewired in them from prehistoric times.
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Wild dog ancestors used to walk around in circles to make a nest- an area with stomped down grass or underbrush where they could sleep. This might have also been a way to drive out unwanted snakes or bugs.