Osteocephalus vilarsi
The adult male frog is 47.5 – 58.4 mm long from nose to rear end and the adult female frog is 54.6 - 65.3 m long.  Adult male frogs have many large bumps on their skin and adult female frogs have small bumps.  The adult frog is light brown, yellow-brown, or red-brown on the back.  Some of them have dark brown or black marks.  There is a dark stripe between the eyes.  There is a dark line by each side of the jaw.  The sides of the body are yellow-white and might have brown spots or marks.  The inner parts of the hind legs are light brown.  The belly is whitish in color.  The lower sides of the legs are pink or orange in color.