Sea otter, enhydra lutris. Swimming; lying on its back; summer; .

horizontals warm mammal carnivorous mammals animals its horizontal otters carnivore swimming otter endotherm warm blooded mustelidae lying float vertebrate fauna enhydra sea floating wildlife vertebrates carnivora aquatic semi mammilia semi aquatic zoology swim summer vertebrates carnivores swims back nature lutris floats endothermic vertebrate animal 1030 11947