Ключевые слова: animal, background, beak, bird, birds, birdwatching, branch, chiffchaff, collybita, eye, feather, green, inornatus, insectivore, insectivorous, leaf, migrant, migration, migratory, nature, ornithology, outdoor, park, passeriformes, passerine, perching, philloscopus, phylloscopidae, phylloscopus, plumage, songbird, spring, wild, wildlife, wood, yellow,