Description

• Color varies between some combination of yellow, brown and tan on their backs, with an off white colored belly.

• Webbed hind feet with the toes being slightly slimmer than the discs on their feet.

• Adults are between 0.75 and 1.25 inches in length.

• Look for distinctive dark “X” pattern on the back.

• Other distinguishing characteristics include a dark line across the forehead and between their eyes.

Sex differences
The male Northern Spring Peeper is smaller than the female and has a dark throat with a round vocal sac.
Sound
A particularly useful trait of the Northern Spring Peeper is its call. The multiple short, very loud high pitched “peeps” are easy to recognize and hard to confuse with any other species of frog. Hear a Spring Peeper Sound bite courtesy of Borror Laboratory of Bioacoustics