Keywords: Nectarinia olivacea Keulemans.jpg Nectarinia olivacea cite book A monograph of the Nectariniidae or family of sun-birds Shelley G E 1880 Self published London https //archive org/details/monographofnecta00she 1880 creator John Gerrard Keulemans PD-old-100 Monograph of the Nectariniidae Cyanomitra olivacea |