A Dog's Life: Dog's Hearing
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A dog's ear moves independently in order to pinpoint the origin of sounds. Dogs can hear ultrasonic frequencies much better than humans. Learn more about the hearing ability of dogs on Discovery... (more info)

A dog's ear moves independently in order to pinpoint the origin of sounds. Dogs can hear ultrasonic frequencies much better than humans. Learn more about the hearing ability of dogs on Discovery Channel's "A Dog's Life."

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