He has expressed that gaining the right understanding of the survival of these animals can help to find ways for humans to survive under low levels of oxygen. The small creature, whose identity was verified through DNA sequence analysis, holds a big record: highest dwelling mammal in the world. Graham Scott, a physiologist at McMaster University in Hamilton, Canada was not a part of this research. On top of Volcn Llullaillaco in northern Chile, scientists captured the yellow-rumped leaf-eared mouse at 6,739 meters above sea level (22,000 feet). And they are looking to study these genetic changes to carry on their studies on this subject. Phyllotis xanthopygus is a predominantly greyish brown/sand-colored New World mouse that reaches around 55g in its adulthood. In addition to this, they have also captured three other species from different altitudes.Īccording to researchers, their bodies might have developed some genetic changes that make them suitable for surviving at such a high elevation. 19 March 2020 Mountaineers have spotted the yellow-rumped leaf-eared mouse near the summit of Llullaillaco Marcial Quiroga-Carmona At the summit of Llullaillaco, a volcano in the Andes that rises. The first peer-reviewed reports of the discovery of the highest elevation vertebrate ( Phyllotis xanthopygus, the yellow-rumped leaf-eared mouse) has been published in the Proceedings of the National Academy of Science. The researchers from the University of Nebraska- Lincoln include Storz and his other members who have captured many yellow-rumped leaf-eared mice. Jay Storz, an evolutionary biologist at the University of Nebraska- Lincoln has added that the temperature at height is not fit for survival and it can dip to as low as -60° Celsius. But still, such mammals are surviving under such conditions where it is difficult to sustain physically and mentally. and the olive grass mouse Abrothrix olivaceus and a dweller of rocky outcrops such as the yellow-rumped leaf-eared mouse Phyllotis xanthopygus (see Pearson.
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