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Hawaii Volcanoes National Park stable isotope values from Hawaii forest birds 2012

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 10:17 PM | Dataset Last Updated: August 27, 2020 at 12:00 AM
Blood and feathers were collected from Hawaii forest birds (Apapane and Hawaii Amakihi) in high elevation forest to assess evidence for altitudinal movement. Feathers, red blood cells and plasma were analyzed for hydrogen, carbon, and nitrogen stable isotope ratios, and these were used to infer changes in elevation and diet over time. For each species, at one of 3 sites, isotope values from one or more tissues and isotopes are listed.

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