@dogfacts

Male dogs know the female is in heat due to a smell emitted from the female dog.

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In general, smaller breeds live longer than larger breeds.

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Greyhounds are the fastest dogs on earth, with speeds of up to 45 miles per hour.

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Ancient Egyptians revered their dogs. When a pet dog would die, the owners shaved off their eyebrows, smeared mud in their hair, and mourned aloud for days.

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Wolves and dogs can mate to produce fertile offspring.

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Even with their poor eyesight, dogs can still see better at night than humans do.

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Wolves and dogs can mate to produce fertile offspring.

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President Calvin Coolidge owned at least a dozen dogs.

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The Russians trained dogs during WWII to run suicide missions with mines strapped to their backs.

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Dogs have lived with humans for over 14,000 years. Cats have lived with people for only 7,000 years.

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This dog, Naki'o, lost all of his legs to frostbite in Colorado, but now has four prosthetic legs and can run around like normal.

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Therapy dogs, who bring healing to individuals and families by visiting hospitals schools or retirement homes, differ from service dogs, who assist individuals who have disabilities.

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Smaller breeds of dogs mature faster than larger breeds.

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Teams of dogs compete for the fastest time without errors in Flyball races.

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A dog's nose is wet because it helps to clean their face.

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