Dogs have been man's pet for over 14,000 years.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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Cats and dogs can hear ultrasound.
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Dogs have four toes on their hind feet, and five on their front feet.
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A puppy is born blind, deaf, and toothless.
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