How bar-headed geese fly over the Himalayas

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 o...

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Bibliographic Details
Published in:Physiology (Bethesda, Md.) Md.), 2015-03, Vol.30 (2), p.107-115
Main Authors: Scott, Graham R, Hawkes, Lucy A, Frappell, Peter B, Butler, Patrick J, Bishop, Charles M, Milsom, William K
Format: Article
Language:English
Subjects:
Acclimatization
Altitude
Animal Migration
Animals
Energy Metabolism
Flight, Animal
Geese - physiology
Heart Rate
Hypoxia - metabolism
Hypoxia - physiopathology
Oxygen Consumption
Reviews
Species Specificity
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Summary: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.
ISSN:1548-9213
1548-9221
DOI:10.1152/physiol.00050.2014