Skip to main content
  1. News
  2. Science & Space

New discoveries show Tibet was the source of Ice Age fauna

See also

The high altitude environments of the Tibetan Plateau and other regions of the Himalayan Mountains may have been the evolutionary proving ground for adaptation of fauna that lived during the Ice Age. Fossils discovered by an international team of paleontologists led by Xiaoming Wang of the Natural History Museum of Los Angeles County support this new concept of mammal evolution. The research was published in the June 10, 2014, edition of the journal Proceedings of the Royal Society B: Biological Sciences.

The new theory is largely based on the discovery of Vulpes qiuzhudingi, a Tibetan fox, in the Himalayas in 2010. The remains are between three and five million years of age. Genetic analysis indicates the fossil fox is a direct ancestor of the modern Arctic fox (Vulpes lagopus). The fossils were discovered in the sediments of the Zanda Basin in Tibet. The area once bordered an ancient lake and has produced a multitude of high altitude fossils.

The researchers also discovered fossils of a three-toed horse, woolly rhino, snow leopard, blue sheep, antelope and 23 other extinct species that can be directly related to Ice Age mammals and some modern Arctic species. The finds indicate that many of the most well known Ice Age animals like the mammoth may have originated in Tibet and the Himalayas. The cold climate and the altitude prepared the animals for survival in the Ice Age through eons of adaptation.

The various Ice Ages on Earth lasted 2.5 million years. The Ice Ages were marked by the progression of ice sheets from the poles as far as the present tropics. During each expansion and contraction of the ice some animal species adapted to the climate change and some that could not cope became extinct. At the beginning of the Ice Age period of time the continents of the Earth were connected. The animals that adapted in Tibet to cold could have migrated to other regions during warm periods and survived.

Advertisement

News

  •  Day 17
    Israel continues their ravaging bombardment on Gaza as the conflict wages on
    Video
    Video
  • MH17 victims arrive home
    40 bodies of the MH17 plane crash return to a somber homecoming in Holland
    Top News
  • Military advisers to Ukraine
    President Obama announces the deployment of military advisers to Ukraine
    Politics
  • Bubonic plague in China
    A bubonic plague outbreak in Yumen prompts China to quarantine the city
    World News
  • Air Algierie disappearance
    A flight headed from Burkina Faso to Algeria disappears from radar over Mali
    Headlines
  • Windows Phone training portal
    Microsoft launches Windows Phone training portal in attempt to woo consumers
    Tech