Rana pipiens, commonly known as the northern leopard frog, is a medium-sized amphibian found in North America. It typically has a green or brown body with distinctive dark spots, resembling a leopard's coat. This species prefers habitats like wetlands, ponds, and marshes, where it can thrive in both aquatic and terrestrial environments. The northern leopard frog is known for its distinctive croaking calls during the breeding season, which usually occurs in spring. It plays a vital role in the ecosystem as both a predator and prey, feeding on insects and serving as food for birds, snakes, and other wildlife.