#2 :German shepherd (Photo Credit: American Kennel Club)
Yorkshire Terrier
#6: Yorkshire terrier (Photo Credit: AP)
Rottweiler
#9: Rottweiler (Photo credit: SAM PANTHAKY/AFP/Getty Images)
Labrador Retriever
The top 10 most popular dog breeds in the United States in 2013, according to the American Kennel Club's registry: #1, Labrador retriever (Photo credit: American Kennel Club)