Measure Your Dog’s Smarts

Most dogs behave in ways that may seem downright dumb. Drinking water from the toilet bowl. Eating grass. Sniffing the waste of other canines. But there are reasons for these behaviors: Dogs prefer cold water over stagnant water that’s been sitting in a dish, grass is natural roughage and may induce vomiting if they have a stomachache, and urine and poop are the newspapers of the dog world, communicating who did what where and when.

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