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About Dogs




About Dogs

About Dogs

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The Dog - Domesticated Canine

The dog is a type of canid, a mammal in the order Carnivora. The term includes both wild (feral) and domestic variants, but commonly excludes other canids such as wolves. Over time, the dog has developed into hundreds of breeds with a great degree of variation. For example, heights at the withers range from just a few inches (such as the Chihuahua) to roughly three feet (such as the Irish Wolfhound); colors vary from white through grays (usually called blue) to black, and browns from light (tan) to dark (”red” or “chocolate”) in a tremendous variation of patterns; and coats can be anything from very short to several centimeters long, from coarse hair to something akin to wool, straight or curly.

Origins

Dogs were domesticated from wolves as recently as 15,000 years ago, or perhaps as early as 100,000 years ago based upon recent genetic, fossil and DNA evidence. Other research suggests that dogs have only been domesticated for a much shorter amount of time and were domesticated from populations of wild dogs, which had previously diverged from wolves. New evidence suggests that dogs were first domesticated in East Asia, possibly China, and the first peoples to enter North America took dogs with them from Asia. Genetic research has identified 14 ancient dog breeds, with the oldest being the Chow Chow, Shar Pei, Akita Inu, Shiba Inu and Basenji. Because many of the 14 breeds are associated with China and Japan, the theory that the dog originated in Asia seems to be likely. -1

1. Spot. Dog (part 1)." K-9 Files. 05Jan07.
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Latest page update: made by scottishterrier , Mar 23 2007, 8:30 PM EDT (about this update About This Update scottishterrier Edited by scottishterrier


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