The earliest dog fossils, two crania from Russia and a mandible from Germany, date from 13,000 to 17,000 years ago. Their likely ancestor is the considerable northern Holarctic wolf, Canis lupus lupus. Remains of smaller dogs from Mesolithic (Natufian) pothole deposits in the Inner East, dated to around 12,000 years ago, have been interpreted as descendants of a lighter Southwest Asian wolf, Canis lupus Arabs. Mineral mastery and skeletal remains indicate that by 14,000 years ago, dogs were present from North Africa across Eurasia to North America. Dog burials at the Mesolithic cemetery of Svaerdborg in Denmark suggest that in early Europe dogs were valued companions.
The rapidity of this nickels defaulter suggested to researchers a scenario of the origin of the domestic dog. Primitive people lived on the corner Visit Site of survival which involved occasional food shortages, and would not have taken wolf pups and ersatz pets of them. However, wolves would raid garbage dumps near human habitations. Wolves have a flight compass which they keep between themselves and a threatening creature. When a dump was approached by humans, some wolves would run a greater expanse from the dump than others. Those that ran the shortest gap would return first, and obtain the greatest amount of food.