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25 Feb, 2015 17:15

10,000yo ‘Sasha’: Hunters discover world’s 1st baby woolly rhino in Siberian permafrost

10,000yo ‘Sasha’: Hunters discover world’s 1st baby woolly rhino in Siberian permafrost

A baby woolly rhinoceros, dubbed “Sasha,” has been recently unearthed in Russian region of Yakutia, becoming a sensation for paleontologists.

The remains of the extinct creature – a particularly rare and historic find due to its age – were handed over to the Academy of Sciences in Yakutsk, the capital of the Sakha (Yakutia) Republic, on Wednesday. The baby woolly rhino was found last September by Aleksandr Banderov, a hunter and businessman, and his friend, on the right bank of a stream flowing into the Semyulyakh River.

The remains of "Sasha" were found last September (Image from www.ysia.ru)

“We were sailing past a ravine and noticed hair hanging on the top of it,” Aleksandr told the local YSIA news agency.“At first we thought it was a reindeer's carcass, but after it thawed and fell down we saw a horn on its upper jaw and realized it must be a rhino. The part of the carcass that stuck out of the ice was eaten by wild animals, but the rest of it was inside the permafrost and preserved well.”

The cub’s skull and face is quite clearly visible, and an ear, one eye, its nostrils, and teeth are in good condition, as well as the wool. The remnants of two horns were also found, though the carcass, that weighs about 60 kg, was half gnawed. Now, Russian scientists will try to extract DNA and conduct certain tests to find out the exact age of the cub and the date it died.

“If the adult's morphology is known, we know nothing about the children. So far we have even not come across teeth, and now we have a skull, head, soft tissue, teeth, hopefully, in good condition at our disposal. First, of course, we will watch DNA, because the object is not thawed and it is quite possible its DNA preserved better than the previous findings' one. I think we can tell about the first results in a week or two,” said Albert Protopopov, the head of the Mammoth Fauna Department of Sakha Republic Academy of Sciences.

The woolly rhino, which is believed to have become extinct around 10,000 years ago, was common throughout Europe and northern Asia during the Pleistocene epoch. Though surviving the last glacial period, the species could have died out due to the climate change or hunting by humans.

That is why the discovered remains are at least 10,000 years old. The scientists have also estimated that the cub was about 18 months old when it died.

The finding was presented to the Russian Academy of Science of Sakha Republic (Image from www.ysia.ru)

“The find is absolutely unique. We can count a number of adult woolly rhinos found around the world on fingers of one hand. A baby rhino was never found before,” Protopopov told The Siberian Times. “Even to find a skull of a baby rhino is very lucky indeed. The possible explanation to it is that rhinos bred very slowly. Mothers protected baby rhinos really well, so that cases of successful attacks on them were extremely rare and the mortality rate was very low.”

In the 21st century, there was only one time, in 2007, when a frozen carcass of a grown-up woolly rhino was found in Yakutia. Mummified woolly rhinos were found throughout the 20th century, but they were “not usable for studies,” according to Protopopov. Another two mummies of adult rhinos were found in Poland’s Krakow and Ukraine’s Lvov.

Chauvet cave art depicting a woolly rhino, France (Image from Wikidepia)

In general, woolly rhinos are less studied than mammoths, and their cubs are even less known to science. Russian and foreign scientists involved in the research hope that “Sasha” will help shed some light on the conditions these animals lived in. The first results are to be reported in a few weeks, but a more thorough analysis could take up to six months.

“Sasha” was named after Banderov, who found it and handed over to the Sakha Republic Academy of Sciences.