Scientists have been left baffled by the discovery of a prehistoric puppy carcass.
Bizarre on Female First
Researchers discovered the canine corpse - which was at least 18,000 years old - in the far-east of Russian Siberia, and after dating at the Oxford University's Radiocarbon Accelerator Unit, experts can't decide if the Ice Age creature was a dog or a wolf.
David Stanton - one of the authors for findings published in a scientific journal of Britain's Royal Society and a researcher at the Swedish Centre for Palaeogenetics - told CNN it was usually ''relatively easy to tell the difference'' between the two animals.
He added: ''We have a lot of data from it already, and with that amount of data, you'd expect to tell if it was one or the other.''