Innate abilities of these dogs require very little effort from the trainer. In a concrete way, the retriever is also know as a retriever dog. This is, the hunting dog that is specialized in retrieving of a piece and delivery to the hunter. These dogs were selected to carry out this task without even having received the order. Retriever dogs are specialized in hunting of feather and hunting in water. They distinguish themselves from other hunting dogs because they have what is known among hunters as soft mouth, because it is easy to train them and they have a docile character.