Flight Muscle Data

This table contains wet muscle mass and body mass reported in grams. Live Arctos URL links are provided for extended specimen data accessibility

Hand-Wing Index Data

This table contains hand-wing index measurements obtained from dry round museum skins, secondary length (SL) in millimeters and total wing length (WL) in millimeters derived from Kipp 1959 and Claramunt et al. 2012 indices. Arctos URLs are included for extended specimen data accessibility

Morphometric Data

This table contains morphometric measurements in millimeters of the four focal taxa. Measurements are: length of innermost retrices, wing chord, culmen length, and tarsus length. Elevation of capture is reported along with Arctos links, when available, for extended data accessibility

Hydrogen Isotope Data

This table contains hydrogen isotope ratios for flight feather, contour feather, and liver tissue of four focal taxa. All isotope data are reported with species name, elevation of capture, and Arctos URLs for extended data accessibility