3rd June 2023
57,000-year-old mummified wolf puppy discovered in Canada gives peek into past

57,000-year-old mummified wolf puppy discovered in Canada gives peek into past

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57,000-year-old mummified wolf puppy discovered in Canada gives peek into past

Scientists have revealed that an ancient wolf pup, perfectly preserved in permafrost, has been found in the Yukon.

The creature dates from the Ice Age, and a gold miner found its remains near Dawson City, Yukon, in 2016. In the local indigenous Han language, it was given the name Zhùr, which means wolf.

It seems that the animal, confirmed as female, died unexpectedly when the den she was in collapsed.


 Discovered in Yukon, Canada, the wolf cub, named Zhùr by the local First Nation people, is thought to be around 57,000 years old.

The remains contain especially exceptional muscle tissue information and allow an insight into what life was like 2.6 million years ago in Canada. They also constitute the oldest wolf ever documented and can help to shed light on the animal’s evolution.

A professor of anatomy at Des Moines University in Iowa, Julie Meachen, called the creature: “the most complete wolf mummy that’s ever been found.” Ms Meachen added that the wolf was “basically 100 per cent intact” saying that the only thing missing are her eyes.

The fact the remains are so complete has let scientists “basically reconstruct her life” said the professor.

Yukon Government palaeontologist, Dr Grant Zazula described the wolf as “beautiful” and “spectacular” and said it had: “cute little paws and tail and the curled upper lip showing its teeth.”

Experts used noninvasive X-ray techniques to find out more about the wolf pup.

Dr Grant highlighted how rare it is to find a mummy in Yukon. In order for the animal to be mummified it would have needed to have been buried very quickly.

The palaeontologist explained: “The animal has to die in a permafrost location, where the ground is frozen all the time, and they have to get buried very quickly, like any other fossilisation process.”

The longer a dead animal is left exposed, the more likely it is to be eaten by predators or to begin to decompose.

Ms Meachen attributed the mummification to the fact that the pup died in a den collapse. She added:”our data showed she didn’t starve and was about seven weeks old, so we feel a bit better knowing the poor little girl didn’t suffer for too long.”

At seven months old, modern day grey wolves in the region have only just been weaned from their mother.

This means that by studying chemicals in the pup’s hair and teeth, researchers were able to work out what the mother would have eaten and it seems that her diet was predominantly made up of aquatic foods.

Ms Meachen said that they were “surprised” by this finding. She said: “Normally when you think of wolves in the Ice Age, you think of them eating bison or musk oxen or other large animals on land.”

The wolf pup died at 6 or 7 weeks of age.

Through analysis of the wolf’s genome, scientists also deduced that she was descended from ancient wolves in Russia, Siberia and Alaska, rather than the grey wolves of North America.

The discovery of the carcass is thought to be partly due to climate change, making mummies more visible as the permafrost melts.

Ms Meachen called the finding a “small upside of climate change” but highlighted the fact that we “really need to be careful.”

The remains are currently on display in Canada at the Yukon Beringia Interpretive Centre, Whitehorse.