Dicaeum is a genus of birds in the flowerpecker family, a group of passerines tropical southern Asia and Australasia from India east to the Philippines and south to Australia. The genus is closely related to the genus Prionochilus and forms a monophyletic group.Its members are very small, stout, often brightly coloured birds, 10 to 18 cm in length, with short tails, short thick curved bills and tubular tongues.