Animal, Sparrow, Anthus, Finch, animal, beak, bill, biodiversity, biology, bird, birding, birdwatching, brisk, brown, climate, conservation, day, December, ecological, ecology, environment, environmental, fauna, feathers, February, foraging, freezing, ice, January, life, natural, nature, organism, ornithology, outdoors, outside, passerine, perched, precipitation, science, season, seasonal, sparrow, snow, songbird, vertebrate, warm-blooded, weather, white, white-throated, wildlife, wing, winter, zoology, cooling, outdoor, Feb, december, freeze, Jan, achiever, writing, skill, passage, speed, discipline, twenty-four hours, Dec, mood, crystal, nonuniformity, life science, improvement, bracing, pace, feather, oscine, calendar month, search, hurry, mouth, situation, difference, document, orifice, february, heterogeneity, refreshing, diverseness, temporal property, transformation, person, haste, january, fresh, dissimilarity, gregorian calendar month
White-throated sparrow (Zonotrichia albicollis) foraging on the icy ground near an ice-covered fallen tree limb