Greyhound

The sighthound most people meet first, and the clearest example of the type: a dog that can reach around 45 mph in a sprint, then spend most of the day asleep on its back. Many adopted greyhounds are former racers who settle into flat life easily and need less exercise than their build suggests. The catch is the chase. A greyhound locked on to a squirrel will not hear you, so most adoption groups advise a lead or a securely fenced space for life, and many dogs are tested with cats before placement. Thin skin and little body fat mean a coat in winter and a soft bed.