Bird dogs are a type of hunting dog that are trained to locate and flush out game birds. The four types of bird dogs are pointer, SETTER, SHADOW, and Irish SETTER. A pointer is a breed of dog that is trained to locate game birds by pointing with its muzzle. A SETTER is a breed of dog that is trained to locate game birds by crouching low and pointing with its tail. A SHADOW is a breed of dog that is trained to locate game birds by following the hunter's movements. An Irish SETTER is a breed of dog that is trained to locate game birds by setting or pointing with its tail.