_NMG3122-2-Edit_otter river Lutra winter Yellowstone.jpg
North American river otter (Lontra canadiensis)(formely Lutra canadiensis) running on the frozen river edge. Upper Yellowstone River, Hayden Valley, Yellowstone, USA. January
Nick Garbutt Natural Selection
Frozen, January, Lutra, Montana, Mustelidae, National Park, Nick Garbutt, Wyoming, Yellowstone, canadensis, ice, otter, pair, river, snow, winter