The domestic dog (Canis lupus familiaris or Canis familiaris)4 is a member of genus Canis (canines) that forms part of the wolf-like canids,5 and is the most widely abundant carnivore.678 The dog and the extant gray wolf are sister taxa,91011 with modern wolves not closely related to the wolves that were first domesticated,1011 which implies that the direct ancestor of the dog is extinct.12 The dog was the first domesticated species The domestic dog (Canis lupus familiaris or Canis familiaris)4 is a member of genus Canis (canines) that forms part of the wolf-like canids,5 and is the most widely abundant carnivore.678 The dog and the extant gray wolf are sister taxa,91011 with modern wolves not closely related to the wolves that were first domesticated,1011 which implies that the direct ancestor of the dog is extinct.12 The dog was the first domesticated species