Animalia, Artiodacytyla, Blaisdell Lake, Chordata, L. canadensis, Lontra, Lontra canadensis, Mammalia, March, Mustelidae, North America, North American river otter, US, USA, Wisconsin, animal, early evening, fauna, frozen, ice, lake, lake wildlife, late afternoon, mammal, natural, nature, north, north american, northern, northern Wisconsin, northwoods, on ice, otter, river otter, semiaquatic mammal, shoreline, snow, snow-covered lake, spring, spring melt, spring thaw, standing on ice, weasel family, wild, wildlife, winter, winter time, wintertime