How Do You Tell the Difference Between a Toy Rat Terrier and a Chihuahua?

By Staff WriterLast Updated Apr 1, 2020 8:49:41 PM ET
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The Chihuahua and the Toy Rat Terrier are easy to confuse as they share similar heights, weights and physical traits. However, the Toy Rat Terrier is a muscular dog, and the Chihuahua is not.