sentences:  They measure 14 cm long and weigh 12–18 g. One species inhabits the Big Island, another Oahu and the third Kauai.Being one of the most adaptable native birds of Hawaii, no subspecies have yet become extinct, though two have become quite rare.The elepaio is the first native bird to sing in the morning and the last to stop singing at night; apart from whistled and chattering contact and alarm calls, it is probably best known for its song, from which derives the common name