Ключевые слова: alert, animals, avian, background, bird, birds, black, branch, brown, carnivore, carnivorous, closeup, conservation, constituting, constitution, creature, discovery, epiphyte, extant, face, faces, feather, feathers, fly, horizontal, horn, horned, hunting, isolated, macro, natural, night, nocturnal, nocturne, old, order, outdoors, owls, predator, prey, raptor, see, sitting, solitary, species, strong, study, tree, view, virginianus, watching, white, wild, wildlife, winter, yellow,