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We addressed a United States Fish and Wildlife Service (USFWS) commitment to undertake hydrogen isotopic analyses of feathers (“Stable hydrogen isotope ratios from feathers”) collected from falconer-harvested passage peregrine falcons (Falco peregrinus) by: (1) developing a map using feathers collected from falcons of known origin, (2) linking falconer-harvested passage peregrines to natal origin, and (3) estimating the degree to which the predicted make-up of the harvest in the USFWS Final Environmental Assessment (EA) was correct (i.e., greater than 64 percent of peregrines originated from high latitudes). The USFWS coordinated the collection of 125 feathers in the United States from known-origin nestlings and...
Categories: Data;
Tags: Document,
Falco peregrinus,
North America,
United States,
completed, All tags...
falconry,
hydrogen,
natal origin,
peregrine falcon,
stable isotopes, Fewer tags
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Standard atomic weights of the elements 2015
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