A wet nutria, myocastor coypus resting on a broken tree bough on the lake under tree canopy, scratching its whole body with a little intruder passing by in the background, close up shot

coypu myocastor coypus nutria rodent myocastoridae otter beaver little marsh swamp animal sewer creature wild wildlife nature natural habitat environment myocastorini invasion swim aquatic rat herbivorous cute mammal close up river lake wetland pond fauna fur ecosystem semiaquatic species south america invasive scratch tail clean bough wet claw itch background riverside