Ключевые слова: animal, animalia, aves, avian, background, beak, bird, birdwatching, black, branch, carrion, carrion crow, chordata, chordate, claw, common, corone, corvidae, corvus, corvus corone, crow, crows jays, dark, fauna, feather, field, flight, forest, intelligent, looking, natural, nature, one, ornithology, outdoor, outdoors, park, passeriformes, plumage, sky, species, spring, tree, twig, watching, wild, wildlife, wing, winter,