Animalia, Carnivora, Chordata, Lontra, Lontra canadensis, Lutrinae, Mammalia, Mustelidae, North America, November, US, USA, Wisconsin, animal, autumn, common otter, curious, fall, ice, lake, mammal, natural, nature, north american, north woods, northern, northwoods, nothern river otter, otter, outdoors, pond, predator, river otter, thin ice, water, weasel family, wetland, wild, wildlife