Sea otter (enhydra lutris), monterey, usa, resting on back in water, close, up

horizontals vertebrates north america united states usa otters endothermic animals semi aquatic mammals horizontal otter wildlife carnivorous mammalia american close up semi mustelidae zoology aquatic north american vertebrate endotherm carnivore mammal resting developed countries otter sea enhydra back water developed country nature warm blooded lutris carnivora carnivores monterey fauna warm animal