Bird, Finch, Plant, Tree, Canary, Bee Eater, Tree Trunk, Parakeet, Parrot, alive, animal, avian, beak, bill, biodiversity, biology, bird, birding, birdwatching, branch, conservation, day, ecology, environment, environmental, fauna, feathers, foraging, gray, grey, immature, leaves, life, limb, living, natural, nature, organism, ornithology, outdoors, outside, perched, scene, scenery, science, small, songbird, tree, twig, vegetation, vertebrate, warbler, warm-blooded, wild, wilderness, wildlife, woods, yellow, zoology, performer, branchlet, young, achiever, outdoor, writing, skill, passage, discipline, twenty-four hours, leaf, dissimilarity, life science, improvement, woody plant, wood, feather, oscine, division, musician, search, plant, passerine, mouth, disfavor, difference, nonuniformity, document, orifice, singer, heterogeneity, rejection, diverseness, plant part, experience, transformation, person, stalk, foliage, entertainer, situation
Immature orange-crowned warbler (Lieothlypis calata) facing left on a perch