The American Bullfrog (Lithobates catesbeianus) is one of North America’s most well-known amphibians, recognized for its impressive size and powerful, resonant call. Found in ponds, lakes, marshes, and slow-moving streams, this species thrives in warm, shallow freshwater habitats with abundant vegetation.

American bullfrogs are among the largest true frogs, often reaching over six inches in body length. Their strong hind legs allow them to leap great distances and serve as effective tools for capturing prey. Bullfrogs are opportunistic feeders with a varied diet that includes insects, small fish, crustaceans, and even other amphibians. Their wide gape and quick reflexes make them efficient predators within their ecosystems.

The species has a fascinating life cycle. Tadpoles can take one to three years to develop into adults, depending on climate and environmental conditions. During this time, they play an important role in aquatic ecosystems by grazing on algae and plant material.

Because bullfrogs adapt easily to new environments, they have been introduced to regions outside their native range, sometimes impacting local wildlife. Studying the American bullfrog provides valuable insight into freshwater ecology, species interactions, and the importance of maintaining balanced ecosystems.

Hop over to our Frogs Forever? Gallery to find this species.