The Galgo Español (Spanish Galgo) or Spanish Greyhound is an ancient breed of dog, specifically a member of the sighthound family. Download high resolution version (900x640, 84 KB)Photograph by Jurriaan Schulman copyright Jurriaan Schulman. ... Download high resolution version (900x640, 84 KB)Photograph by Jurriaan Schulman copyright Jurriaan Schulman. ... A breed is a domesticated subspecies or infrasubspecies of an animal. ... Trinomial name Canis lupus familiaris The dog is a canine carnivorous mammal that has been domesticated for at least 14,000 years and perhaps for as long as 150,000 years based on recent evidence. ... The Whippet shows the characteristic long legs, deep chest, and narrow waist of a sight hound. ...