Stable isotope (C,N,O, and H) study of a comprehensive set of feathers from two Setophaga citrina
Samiksha Deme, Laurence Y. Yeung, Tao Sun, Cin-Ty A. Lee
The paper measures stable isotopes in feathers of two Hooded Warblers to assess isotopic variability during molt and finds homogeneity within each bird, suggesting complete molt on breeding grounds.
bioRxiv · Jul 10, 2020Ecology