@dogfacts

Flyball, a dog sport consisting of relays, hurdles, and ball retrieving, was developed in the late 60s, and the first tournament was held in 1983.

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In Roman times, mastiffs donned light armor and were sent after mounted knights.

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Thirty percent of all Dalmatians are deaf in one or both ears. Because bulldogs have extremely short muzzles, many spend their lives fighting suffocation. Because Chihuahuas have such small skulls, the flow of spinal fluid can be restricted, causing hydrocephalus, a swelling of the brain.

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A dog's sense of smell is so powerful that they can detect a drop of blood in a large swimming pool.

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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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