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Which breeds-of-dog are the biggest and smallest?

Answer:
The tallest breed of dog is the German Great Dane. However, the heaviest breed is the Swiss St. Bernard.
The smallest dog ever is the Chihuahua from Mexico. It is also the lightest breed of dog.
First answer by ID1369397373. Last edit by Renar. Contributor trust: 404 [recommend contributor recommended]. Question popularity: 1 [recommend question].