We found the White-lipped Rain Frog as we hiked during the night in search of the Annulated Tree Boa at Yatama Ecolodge. It has a brownish coloration, which would help it camouflage really well against the ground and the leaf litter. Both front and back legs are lightly striped, just barely noticeable when looking from very close. It actually was a pretty common sight in the area, although most frequently heard than seen.