Dendropsophus frosti
The adult male frog is 21.1 to 23.0 mm long from nose to rear end and the adult female frog is 25.9 to 28.8 mm long.  It has large eyes and vomerine teeth in its jaw.  This frog can change color.  During the day, it is light brown in color on the back and darker on the sides.  It is yellow or white on the belly.  At night, the male frog is yellow and the female frog is brown.