Tree, Tree Trunk, Animal, Bird, Jay, Leaf, Vegetation, Oak, Land, Nature, Outdoors, Woodland, alive, animal, Aves, backdrop, background, bark, beak, bellied, bill, biodiversity, biology, bird, birding, birdwatching, black, branch, conservation, day, ecology, environment, environmental, fauna, feathers, female, grey, gray, head, horizontal, life, limb, living, natural, nature, organism, ornithology, red, ruffling, scene, science, sky, tree, vertebrate, weather, white, wild, wildlife, wind, wings, woodpecker, zoology, achiever, writing, piciform bird, passage, skill, discipline, twenty-four hours, implementation, nonuniformity, direction, life science, improvement, woody plant, crimson, aves, feather, heterogeneity, scenery, division, means, plant, stage set, mouth, difference, dissimilarity, class, orifice, document, diverseness, experience, transformation, person, situation
Wind ruffling a female red-bellied woodpecker's (Melanerpes carolinus) feathers