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from Wikipedia, the free encyclopedia

Dog

The dog is a mammal in the canine family of the Order Carnivora.

Dogs were first domesticated from wolves at least 15,000 years ago.

Dogs, like humans, are highly social animals and this similarity in their overall behavioral pattern accounts for their trainability, playfulness, and ability to fit into human households and social situations.

Note:   The above text is excerpted from the Wikipedia article "Dog", which has been released under the GNU Free Documentation License.
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September 3, 2015

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