Ключевые слова: active, bird behavior, birdwatching, branch, breeding season, bright, call, chiffchaff, courtship, courtship display, energetic, european bird, feathered, flitting, garden, insect eater, jump, mating ritual, melodic, natural habitat, nature, olivebrown plumage, perched, phylloscopus collybita, small bird, songbird, territorial, vibrant, wildlife, woodland,