@dogfacts

More than 1 in 3 American families own a dog.

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Most dogs go in heat every 6 months and estrus lasts between 7 and 18 days.

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Dogs sweat through the pads of their feet.

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Some stray Russian dogs have figured out how to use the subway system in order to travel to more populated areas in search of food.

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A dog's average body temperature is 101.2 degrees.

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Dogs have a wet nose to collect more of the tiny droplets of smelling chemicals in the air.

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Dogs like sweets a lot more than cats do. While cats have around only 473 taste buds, dogs have about 1,700 taste buds. Humans have approximately 9,000.

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There are almost 5 million dog bites per year; children are the main victims. Dog bites cause losses of over $1 billion a year.

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The world's oldest breed, the Saluki, originated in Egypt around 329 B.C.

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National Geographic's Dr. Brady Barr measured a dog's average bite force at 320 pounds of pressure per square inch.

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The Golden Retriever, one of the most popular dog breeds, was first bred in Scotland in the mid 1800s.

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Service dogs are recognized in the U.S. as "necessary medical equipment."

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Dogs know from which nostril a smell has entered.

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Americans love dogs! 44% of U.S. households have a dog, which equates to 55.3 million homes

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A dog's tail is an extension of their spine, and contains bones and muscles.

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