American marten, American pine marten, Animalia, Carnivora, Chordata, December, Mammalia, Martes, Martes americana, Mustelidae, North America, US, USA, adult, animal, animal behavior, behavior, carnivore, close up, close-up, closeup, forest animal, fur, fur-bearing animal, lick, licking, log, mammal, mature, mustache, natural, nature, north american, northern, pine marten, predator, spruce, tongue, tongue out, weasel, wild, wildlife, winter, winter time, wintertime, woodland animal