A large, long-billed sunbird of forest and forest edge, sometimes venturing into gardens and farms. Both sexes have a distinctive long and mostly straight bill with a noticeable droop towards the tip. Males are iridescent green above and dark below with a green throat, a red-and-purple chest, and a maroon belly. Females are light brown above with a subtle eye-line, and pale with fine brown streaking below. Most likely to be confused with Splendid Sunbird, but look for the male’s green throat and maroon rather than red belly, and the female’s finely streaked underparts. Call is a descending whistled “tiuw.” The song is a complex jumble of whistled notes, not unlike that of other sunbirds.