@dogfacts

Female dogs are only ready to mate–"in heat"–twice a year for a total of roughly 20 days.

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Dogs like to chew bones but cooked bones and bones that can splinter such as cooked chicken bones should not be given to dogs.

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Move over Rover! 45% of dogs sleep in their owner’s bed (we’re pretty sure a large percentage also hog the blankets!)

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Chocolate contains a substance known as theobromine (similar to caffeine) which can kill dogs or, at the very least, make them violently ill.

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The most popular breed of domestic dog in the US and the UK is the Labrador Retriever.

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A dog most likely interprets a smiling person as baring their teeth, which is an act of aggression.

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The world's smallest dog was a Chihuahua named Miracle Milly, who weighed only 1.1 pounds.

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A dog's sense of smell is so powerful that they can detect drugs and explosives.

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The ancient Mbaya Indians of the Gran Chaco in South America believed that humans originally lived underground until dogs dug them up.

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Paul McCartney of the Beatles recorded a high pitched whistle at the end of "A Day in the Life" for his dog.

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One of Shakespeare’s most mischievous characters is Crab, the dog belonging to Launce in the Two Gentlemen of Verona. The word "watchdog" is first found in The Tempest.

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An African wolf dog known as the Basenji is the only dog in the world that cannot bark.

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A dog's nose is so sensitive that they can detect minute changes in the earth's magnetic field.

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The Labrador Retriever has been the most popular dog breed since 1991.

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The average dog's mouth can produce about 100-200 pounds of pressure per square inch.

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