Feather isotope ratios and sexing of oystercatchers breeding in Iceland, 2013-2017

J.A. Gill, V. Mendez, T.G. Gunnarsson, J.A. Alves & B. Thorrison
Dataset comprises of the delta-13C and delta-15N stable isotopic information from feather samples (for 552 individuals) and the sex (assigned by DNA-analysis of blood samples for 321 individuals) of oystercatchers (Haematopus ostralegus) breeding in Iceland during the summers of 2013-2017. The Icelandic oystercatcher population contains individuals that stay in Iceland year-round and individuals that migrate to mainland Europe in the non-breeding season, and feather isotope ratios provide a means of distinguishing between these migratory behaviours...
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