Dog quiz! How much do you know about the beloved pet? Test yourself in this quiz all about things dog-related — behaviors, characteristics and much more.

Can you identify each popular dog breed just from a picture? Each dog featured in the quiz is among the American Kennel Club's most popular for 2013.

Can you identify each popular dog breed just from a picture? Each dog featured in the quiz is among the American Kennel Club's most popular for 2013 ...

How much do you know about dogs? It's National Dog Day on August 26. Take the interactive quiz to test your knowledge.