Which dog breed has a number of different varieties, the Harrier or the Schweizerischer Niederlaufhund?
Harrier (dog) The Harrier is a medium-sized dog breed of the hound class,
Borzoi The Borzoi ( , literally "fast"), also called the Russian wolfhound (Russian: Ру́сская псовая борзая ), is a breed of domestic dog ("Canis lupus familiaris"). Descended from dogs brought to Russia from central Asian countries, it is similar in shape to a greyhound, and is also a member of the sighthound family.