Mythical yeti could be ancient polar bear

2013-10-17 21:44


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London - A British geneticist said on Thursday he may have solved the mystery of the yeti, after matching DNA from two animals said to be the mythical beast to an ancient polar bear.

"We have found an exact genetic match between two samples from the Himalayas and the ancient polar bear," said Bryan Sykes, emeritus professor at Oxford University.

There have for centuries been legends about hairy, ape-like creatures, also known as "migoi" in the Himalayas, "bigfoot" in North America and "almasty" in the Caucasus mountains.

The myth was given credence when explorer Eric Shipton returned from his 1951 expedition to Everest with photographs of giant footprints in the snow.

Eyewitness accounts have since fuelled speculation that the creatures may be related to humans.

But Sykes believes they are likely to be a cross between polar bears and brown bears, closely related species who are known to interbreed where their territories overlap.

He made a global appeal last year for samples from suspected Yeti sightings and received about 70, of which 27 gave good DNA results. These were then compared with other animals' genomes stored on a database.

Two hair samples came up trumps - one from a beast shot in the Kashmiri region of Ladakh 40 years ago and the other found in Bhutan a decade ago.

"In the Himalayas, I found the usual sorts of bears and other creatures amongst the collection," Sykes told BBC radio.

"But the particularly interesting ones are the ones whose genetic fingerprints are linked not to the brown bears or any other modern bears, [but] to an ancient polar bear."

The DNA from the Ladakh and Bhutan samples was a 100% match with a sample from a polar bear jawbone found in Svalbard in Norway, dating back between 40 000 and 120 000 years.

"This is an exciting and completely unexpected result that gave us all a surprise," he said in a statement, adding: "There's more work to be done on interpreting the results.

"I don't think it means there are ancient polar bears wandering around the Himalayas. But... it could mean there is a sub-species of brown bear in the High Himalayas descended from the bear that was the ancestor of the polar bear.

"Or it could mean there has been more recent hybridisation between the brown bear and the descendent of the ancient polar bear."

Sykes' findings have been submitted for publication in a peer-reviewed science journal, and will be presented in a British television programme starting this weekend.

Read more on:    animals

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