Female common eiders incubate their eggs and chicks for weeks without eating. Does wind, temperature or humidity affect their energy expenditure most? Researchers seeking to answer this question have investigated the incubation efforts of common eiders breeding in Kongsfjorden, Svalbard, from 2012 to 2014.

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Contact person: Sébastien Descamps, Norwegian Polar Institute

Common eiders build their nests on rocky ground in the open Svalbard landscape, but the ones who can find shelter from the wind seem to have an advantage.
Photo: Sébastien Descamps