Ovary mass and stable hydrogen isotope data for resident and migratory female dark-eyed juncos.
This dataset includes ovary mass and stable hydrogen isotope compositions of feathers and claws from resident and migratory female dark-eyed juncos (Junco hyemalis) collected during early spring at Mountain Lake Biological Station, Pembroke, Virginia.  A total of 18 migrant and 15 resident female dark-eyed juncos, a …