1. Trail dogs are those that pursue prey by smell. These dogs have a highly developed sense of smell, which is more potent than other breeds of dogs. Trail dogs often hunt in large groups, announced by barking and howling when they find the prey. Its main function as hunting dogs, is to find, pursue and track down prey.
Although they can attack, the latter function is usually to large and powerful dogs as dogs. Well-known examples of these dogs are and. 2. The greyhounds are dogs lean and streamlined. Physical and behavioral characteristics, unique among all dogs, hounds make great speed. They are the fastest dogs in the world and his style is to continue hunting prey with the view (do not use smell when hunting) as they run fast and catch the race.