Tree, Tree Trunk, Animal, Bird, Vulture, Blackbird, Outdoors, Vegetation, Hawk, Land, Nature, Woodland, Buzzard, Eagle, alive, animal, background, bark, beautiful, beauty, biodiversity, biology, bird, birding, birdwatching, black, branch, conservation, day, ecology, environment, environmental, fauna, feathers, flicker, horizontal, life, limb, living, looking, natural, nature, northern, organism, ornithology, outdoors, outside, perch, red, scenery, scenic, science, tree, vertebrate, warm-blooded, white, wild, wilderness, wildlife, wings, woodpecker, yellow, yellow-shafted, zoology, sensory activity, outdoor, indo-european, middle english, plant, achiever, piciform bird, skill, discipline, twenty-four hours, implementation, dissimilarity, support, flash, direction, life science, improvement, woody plant, crimson, feather, heterogeneity, division, means, looking at, disfavor, spark, difference, nonuniformity, west germanic, germanic, rejection, look, diverseness, experience, transformation, person, english, situation, sensing
Yellow-shafted northern flicker (Colaptes auratus) looking away from its perch on a dying tree