aboutdogfacts.com

Posted by Kirk Anderson
2
Jun 24, 2015
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The chihuahua is the smallest dog breed in the world and they are classified based on the appearance of the their head and size. The chihuahua is has either an apple head or a deer head and the tiniest chihuahua can fit into a teacup, therefore they are referred to as the teacup chihuahua.
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