green frog swims in the water in a swamp. croaks loudly, blowing bubbles. courtship games. nature and fauna in the

amphibia amphibian animal aquatic background beautiful beauty big bubble bullfrog close closeup color croak croaking detail ecology environment eye frog game green head horizontal hunted lake macro marsh natural nature outdoors pond reptile river sitting skin spotted summer swamp swim toad waiting watching water wet wetlands wild wildlife yellow