Credit: AFP/Getty Images
#2 - German Shepherd Dogs.
Commander (R) and puppy Tsunami (L), German Shepherds, at an American Kennel Club press conference January 30, 2013 in New York where the most popular dogs in the US were announced. The top five are Labrador Retriever, German Shepherd, Golden Retriever, Beagle and Bulldog according to AKC registration statistics. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)