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
AKC Helena Fall Dog Show 2011
The Irish Wolfhound is a breed of large sighthound that has, by its presence and substantial size, inspired literature, poetry and mythology. One of the largest of all breeds of dog, the breed is used
Sighthound
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Groſs Irlændisch Windspiel, 'large Irish greyhound', from Entwurf einiger Thiereby Johann Elias Ridinger, 1738
Irish Greyhound in a mountainous landscape, etching by Philip Reinagle, 1804
Nineteenth-century dog-licence stamp