Pre-breeding foraging ecology of three tern species nesting in the Gulf of Maine

Michelle Staudinger
This dataset contains carbon (δ13C) and nitrogen (δ15N) isotope values, and C:N ratios, from eggshell tissue samples of Arctic terns (Sterna paradisaea), Common terns (S. hirundo), and Roseate terns (S. dougalii) nesting on seven islands located along the coast of Maine in 2016, 2017, and 2018.
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