Individuals Reference Sex Width Notes Crane1975 female 23.5 Crane1975 male 38.5 Crane1975 male 39.8 Crane1975 male 41.1 Rosenberg2000 male 21.75 Shih2015.2 male 36.5 Ranges Reference Sex n Min Max Notes Kerstitch1989 non-specified 2 32 50 rough values