Which common amphibian is often found in freshwater ecosystems?

The American bullfrog is a common amphibian frequently found in freshwater ecosystems, making it an essential species within these habitats. Bullfrogs are known for their adaptability to various freshwater environments, including ponds, marshes, and lakes. They thrive in warm, shallow waters where they can easily find food and suitable breeding grounds. Their growth and development are closely tied to the availability of freshwater resources, as they lay their eggs in water and their tadpoles undergo metamorphosis in these aquatic environments.

Being at the top of the food chain in these ecosystems, American bullfrogs also play a significant role in controlling populations of other aquatic species. They are voracious eaters and feed on a wide variety of prey, including insects, small fish, and even other amphibians. This predatory behavior helps maintain the ecological balance within their freshwater habitats.

In contrast, although the Eastern newt, Common toad, and Green tree frog also inhabit freshwater environments, they may not be as closely associated with this habitat across their life cycles as the American bullfrog is. For example, some species may prefer more terrestrial habitats or have specific conditions they thrive in, making the bullfrog a more prominent and recognizable amphibian in typical freshwater ecosystems.