This species dwells at higher elevations than.
It has terrestrial habits and is endemic to coastal central and northern Chile. A yellow-rumped leaf-eared mouse ( Phyllotis xanthopygus ), perched on a researchers glove, at high-altitude on the slopes of Llullaillaco volcano. This discovery suggests that we may have generally underestimated the altitudinal range limits and physiological tolerances of small mammals simply because the world's high summits remain relatively unexplored by biologists. Darwins leaf-eared mouse (Phyllotis darwini) is a species of rodent in the family Cricetidae. This summit specimen represents an altitudinal world record for mammals, far surpassing all specimen-based records from the Himalayas and other mountain ranges. numerous trapping records at altitudes >5000 m, we captured a specimen of the yellow-rumped leaf-eared mouse (Phyllotis xanthopygus rupestris) on thevery summit of Llullaillaco at 6739 m. Among numerous trapping records at altitudes of >5,000 m, we captured a specimen of the yellow-rumped leaf-eared mouse (Phyllotis xanthopygus rupestris) on the very summit of Llullaillaco at 6,739 m. Motivated by reported sightings, researchers from the US and Chile organised a scientific expedition to the Puna de Atacama and captured this yellow-rumped leaf-eared mouse ( Phyllotis. Other common names: Patagonian Leaf-eared Mouse, Yellow-rumped Pericote. Here we report results of a scientific mountaineering expedition to survey the high-altitude rodent fauna of Volcán Llullaillaco in the Puna de Atacama of northern Chile, an effort motivated by video documentation of mice (genus Phyllotis) at a record altitude of 6,205 m. French: Phyllotis a croupe jaune / German: Gelbsteil3-Blattohrmaus / Spanish: Raton orejudo de trasero dorado. Environmental limits of animal life are invariably revised when the animals themselves are investigated in their natural habitats.
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