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How Bar-Headed Geese Fly Over the Himalayas
Author(s) -
Graham R. Scott,
Lucy A. Hawkes,
Peter B. Frappell,
P. J. Butler,
Charles M. Bishop,
William K. Milsom
Publication year - 2015
Publication title -
physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.14
H-Index - 125
eISSN - 1548-9213
pISSN - 1548-9221
DOI - 10.1152/physiol.00050.2014
Subject(s) - cardiorespiratory fitness , effects of high altitude on humans , oxygen transport , elevation (ballistics) , altitude (triangle) , bar (unit) , low altitude , biology , ecology , zoology , oxygen , geography , physiology , anatomy , meteorology , chemistry , engineering , mathematics , geometry , organic chemistry , structural engineering
Bar-headed geese cross the Himalayas on one of the most iconic high-altitude migrations in the world. Heart rates and metabolic costs of flight increase with elevation and can be near maximal during steep climbs. Their ability to sustain the high oxygen demands of flight in air that is exceedingly oxygen-thin depends on the unique cardiorespiratory physiology of birds in general along with several evolved specializations across the O2 transport cascade.

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