Osteocephalus sangay
The adult male frog is 40.3–41.3 mm long from nose to rear end.  The adult female frog is 45.3-52.8 mm long.  The skin on the frog's back is green or brown in color.  It can have bumps made of keratin protein or dark marks.  The tops of the legs and middle are light brown with darker brown marks.  There is a large dark brown mark on the head.  The sides of the head have a cream-colored stripe.  There is yellow color on the skin outside the eye.  The ear is green in color or dark brown in coor.  The sides are light green, cream-colored, or brown with brown or black marks.  The skin of the belly is brown with darker brown marks or lighter brown marks.  The pupil of the eye has an olive green ring around it.  The iris of the eye is bronze in color with black lines.