The scientific name of the puppy is the canis lupus familiaris. It is a mammal and belongs to the Canidae family. The order which the puppy is a part of is the Carnivora, and it is a subspecies of the wolf, although it is domesticated. The term Carnivora includes both the pet variety and the feral variety. The puppy has the status of being the animal which has been kept the most wildly by people as a companion or as a working animal. No other animal in history has this status. In some cultures, the puppy is also used as a food source. The total number of puppys, which also includes puppies (Dogs for Sale), in the whole world is estimated to be around four hundred million.