The Greyhound is a variety of dog distinguished by a greater length of muzzle than any other; very low forehead, short lips, thin and long legs, small muscles, contracted belly and semi pendant ears. Greyhounds were originally used for hunting, but are now bred for racing, being the fastest running dogs. As a pet Greyhounds are very gentle and affectionate - but should be kept away from small mammals such as pet rabbits - but require wide open spaces to run about in. Research Greyhound