Dogs are not as clever as humans think. An Exeter University team examined 300 studies on animal intelligence, and concluded that whilst dogs have an unusual skill set, they are not inherently smarter than other animals. For example, sheep are just as good at distinguishing humans by their faces; sea otters are better than dogs with tools; and pigeons are better at remembering events. Even dogs’ renowned olfactory powers are not that special: pigs have an equally sensitive sense of smell.
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