Among the oldest sight hounds, the Afghan was originally bred in the cold mountains of Afghanistan.
Originating in central Africa, the Basenji is known for its distinctive yodel.
The breed dates back more than 2,000 years to ancient China.
The Samoyed was originally bred by Russian nomadic reindeer herders.
The Shih Tzu is considered the oldest and smallest of Tibetan holy dogs, according to the American Kennel Club.