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Dogor is a preserved Canis specimen that was found in the permafrost of Sakha Republic in 2018. It is a remarkably well preserved two-month-old male puppy with fur and whiskers remaining. The animal has been determined to be 18,000 years old. At first, DNA sequencing was unable to identify the animal as either a dog or a wolf. Anders Bergström, a postdoctoral fellow in ancient genomics at the Francis Crick Institute in London, identified Dogor as an ancient wolf as reported in a research study on June 29, 2022 in Nature magazine. However, the specimen did not belong to the ancient east Eurasian progenitor population of wolves from which dogs are thought to have evolved, suggesting perhaps a dual ancestry for dogs.
The specimen was named Dogor by scientists Mark and Nina Rogerson with the word meaning "friend" (Cyrillic: Догор) in the local Yakut language.
DNA sequencing is usually sufficient to distinguish between dogs and wolves; however, even after a large amount of analysis, it was not initially possible to determine to which species Dogor belonged. Further DNA sequencing was undertaken in Denmark to provide more insight. Dogor was eventually identified as an ancient wolf in June 2022.
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