Rana clamitans, commonly known as the green frog, is a species of frog found primarily in North America. It typically inhabits freshwater environments such as ponds, lakes, and marshes. The green frog is recognizable by its olive green to brown coloration and distinctive ridges along its back. These frogs are medium-sized, usually measuring 2 to 4 inches in length. They are known for their loud, distinctive calls, which are often heard during the breeding season. Rana clamitans plays an important role in its ecosystem, serving as both predator and prey within its habitat.