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At 18 ounces and a little over 4 inches tall, Dancer the diminutive Chihuahua could be headed to a Guinness World Records listing. The previous record-holding smallest dog died.4 inches? Why would Nature make dogs that small? A study earlier this month revealed the how: A piece of doggy DNA that regulates growth to keep small dogs small.
That doesn’t answer why some people want dogs that small, but I’m not here to start that argument.
