Ключевые слова: adult, animal, avian, beak, bird, black, blue, branch, claws, day, detail, eat, eating, environment, eurasian, european, eye, fauna, feather, feeding, food, foraging, green, horizontal, leg, multi, natural, nature, nut, nuthatch, one, open, orange, ornithology, outdoors, perched, plumage, profile, seed, small, songbird, species, sunflower, tail, tree, wild, wildlife, wings, winter, wood,