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TOPIC: Woolly Mammoth
Blobrana


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Mammoth
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Workers digging at a construction site in the US have uncovered the prehistoric remains of a mammoth which they believe are around half-a-million years old.
A digger operator working at the Thomas Jefferson School of Law site in San Diego, California, unearthed a 20ft-long tusk. He called in experts who found more bones.

Source Scotsman

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Blobrana


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RE: Woolly Mammoth
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A complete tusk believed to belong to a prehistoric mammoth was uncovered on Santa Cruz Island off the Southern California coast, researchers reported Tuesday. If the discovery is confirmed, it would mean the tusked beasts roamed 62,000-acre Santa Cruz Island more widely than previously thought.
A graduate student at the University of California, Santa Barbara, came across the tusk while working in a canyon on the island's remote north shore earlier this month. Nearby were several rib bones and possible thigh bones, said Lotus Vermeer, the Nature Conservancy's Santa Cruz Island project director.

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Blobrana


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In a surprising reversal of conventional wisdom, a DNA-based study has revealed that the last of the woolly mammothswhich lived between 40,000 and 4,000 years agohad roots that were exclusively North American.
The research, which appears in the September issue of Current Biology, is expected to cause some controversy within the paleontological community.

"Scientists have always thought that because mammoths roamed such a huge territoryfrom Western Europe to Central North Americathat North American woolly mammoths were a sideshow of no particular significance to the evolution of the species" - Hendrik Poinar, associate professor in the departments of Anthropology, and Pathology & Molecular Medicine at McMaster University.

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The "extremely rare" fossilised skull of a steppe mammoth has been unearthed in southern France.
The discovery in the Auvergne region could shed much needed light on the evolution of these mighty beasts.
Many isolated teeth of steppe mammoth have been found, but only a handful of skeletons exist; and in these surviving specimens, the skull is rarely intact.

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Blobrana


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Miners in Romania have unearthed the skeleton of a 2.5 million-year-old mastodon, believed to be one of the best preserved in Europe, a local official said Friday.
They stumbled on the remains of the mammoth-like animal during excavations in June at a coal mine in the village of Racosul de Sus, around 170 kilometres northwest of Bucharest, according to Laszlo Demeter, a historian and local councillor.

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The frozen remains of two woolly mammoths dating from the Ice Age went on display yesterday in Taiwan.
The exhibition will run until November 4.

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Blobrana


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There were actually two kinds of woolly mammoth, not one as thought, a find that challenges claims that ancient humans wiped out the great beasts.
A major genetic study of the extinct woolly mammoth has revealed that the species was not one large homogenous group, as scientists previously assumed because there has been no hint of this in the fossil record.

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Blobrana


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Wandering the snowy plains of Siberia up to 40,000 years ago lived not one, but two groups of long-haired and curly-tusked woolly mammoth, side by side.
An international team led by Thomas Gilbert at the University of Copenhagen in Denmark has sequenced five new complete genomes of mitochondrial DNA (mtDNA) of woolly mammoths (Mammuthus primigenius ). The tally of complete mtDNA genomes for this hairy beast now totals 18. The work is published in the Proceedings of the National Academy of Sciences.

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Ancient climate change cornered the woolly mammoth into a shrinking habitat, but humans delivered the final blow by hunting the species into extinction, a new study suggests.
Climate change and hunting have long been blamed for forcing the mammoth into decline at the end of the Pleistocene era about 10,000 years ago. The last mammoth died out 4,000 years ago, experts estimate.

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Blobrana


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Oimyakon baby mammoth
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On 27 September 2004 the front part of a baby mammoth's body was found in Olchan mine in the Oimyakon Region of Yakutia. Specialists of the Museum of Mammoth of the Institute of Applied Ecology of the North, Academy of Sciences of Sakha Republic (Yakutia), have been thoroughly studying the finding and they have published the first outcomes.
There remained only the head, part of the proboscis, the neck area and part of the breast of the baby mammoth's body. The body is practically cut off behind the withers and shoulder area. The skin on the head is torn on the forehead and cinciput, the skull is damaged, the proboscis is torn off. The baby mammoth's skin is well preserved, it is smooth, greyish-brown, the tawny hair fell out and froze into the ice near the body. Under the skin, there remained muscles and the alveole with a permanent 76 millimetre long tusk, which had come through. Since the replacement of milk-tusks by permanent ones happened with mammoths at the age of one year the earliest, the researchers decided that the baby they had found perished approximately at this age. As the tusk is short, it can be assumed that the Oimyakon mammoth was a female (male's tusks are longer).
At present, the baby mammoth is still frozen. The researchers are sure that integrated study of this object will provide the scientific community with a lot of new data about the height, development, molecular and genetic peculiarities of the mammoths, as well as multiple data on Palaeoecology of the late Pleistocene.

Source: Informnauka Agency

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