16 Weird Dog & Cat Behaviors Explained by Science

February 14, 2017 10:24 am  |  Comments: 0  | Views: 60004

Why do dogs walk in circles before lying down?

Dogs often walk in circles before settling down for a snooze. This curious behavior is actually hardwired in them from prehistoric times. Fido's wild dog ancestors would walk in circles to make a nest — an area with stomped-down grass or underbrush where they could sleep. This behavior may have also driven out snakes or large insects that otherwise might have bothered them.

Moreover, a nest would mark the dog's territory, telling other dogs to stay away.

Sources: Live Science

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