The dog is a subspecies of the gray wolf, one of the most common domesticated animals in the world. It is the first domesticated animal. The first partially domesticated dogs existed more than 33,000 years ago. Their predecessors did not survive the Ice Age, after which ancient remains of domesticated dogs were found in the Upper Paleolithic settlement of Yeliseevych (Bryansk region) and date back to 19,000 years ago. Since domestication, dogs have a historical role in human life. Living with humans, they took part in hunting, guarded the owner and the place of residence...