Dogs

Fact #17: The Beatles song “A day in the Life” has an extra high-pitched whistle, audible only to dogs. It was recorded by Paul McCartney for the enjoyment of his Shetland sheepdog   Fact #12: Seeing eye dogs pee and poo on command so that their owners can clean up after them. (The command is usually “Get busy!” and pups will pace back and forth until they do their business.)

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