Adult, Animal, Brazil, Carnivoran, Day, Endangered, Endangered Species, Front View, Giant River Otter, Head, Horizontal, Looking, Looking at Camera, Mammal, Minden Submission 033, Mustelid, Mustelidae, Nobody, One Animal, Otter, Outdoors, Pantanal, Portrait, Pteronura brasiliensis, Pteronura sp, River Otter, South America, Weasel, Wetland, Wildlife