Fig. 5From: Biological sex identification in the endangered dusky gopher frog (Lithobates sevosa): a comparison of body size measurements, secondary sex characteristics, ultrasound imaging, and urinary hormone analysis methodsScatterplot showing the sex of the DGFs can be distinguished by the ratio of urinary testosterone to estrone. Data shown are log transformed. Blue circles indicate males, while females are indicated by pink squaresBack to article page