These fast-moving animals have keen senses, with an exceptionally good sense of smell.
Dogs have powerful jaws, and sharp teeth.
For the 50 most popular dogs in the USA, click here . Click here to see the dogs or post a photo of your dog. To make a customized dog coloring book, click here . The Airedale is the largest terrier. The Alaskan malamute is a powerful sled dog from Alaska.