Record species, sex, snout-vent length, and body mass. Note on the data sheet whether you used a pesola scale or the Ohaus scale. While the individual is still in the bag, orientate the frog so its ventral side is on a flat surface. Press down on its back to gently flatten the frog and measure snout-vent length in millimeters using calipers or a ruler. Scou - Males are smaller than females and coloration on the dorsal side is muted.
Females have colorful worm-like patterns of green and black mottling on the back.
Adult males may have enlarged thumbs or thumb pads. Frogs under 20 g cannot be sexed. Adult males have enlarged thumbs and thumb pads. Bdeb - Males have a dark throat patch. Females have a yellow or cream throat.