In maritime populations, this cross-shaped mark is often disrtorted or fragmented.
Females grow slightly larger than males.
Like all treefrogs it climbs well using its sticky toe pads. Although seldom seen, the Spring Peeper is on of the most familiar frogs in the east due to its distinctive mating call . The chorus of mating Spring Peepers is one of the first signs of spring. Habitat Spring Peepers inhabit moist wooded areas, near permanent or temporary flooded ponds, lakes, streams or swamps. They are very common in woodlands adjacent to roadside ponds.