The Borzoi or Russian Hunting Sighthound is a Russian breed of hunting dog of sighthound type. It was formerly used for wolf hunting, and until 1936 was known as the Russian Wolfhound.
Borzoi
Borzoi owned by Max Hartenstein, Berlin, Germany, 1879
"Borzo by a Chair" (St George Hare, 19th century)
Wolf hunting with borzois (1904), Efim A. Tikhmenev
Sighthounds are a type of hound dog that hunts primarily by sight and speed, unlike scent hounds, which rely on scent and endurance.
A Whippet: characteristic long legs, deep chest, and narrow waist of a sighthound
The dolichocephalic head proportions of a typical sighthound
A Saluki