Distribution
garzetta (Linnaeus, 1766), Europe, Africa, Asia
nigripes (Temminck, 1840),
Indonesia
immaculata (Gould, 1846), Australia
& New Zealand
gularis (Bosc, 1792), West African coast
schistacea (Hemprich & Ehrenberg, 1828), Indian
Ocean coast
dimorpha (Hartert, 1914), Indian Ocean islands
sacra (Gmelin, 1789), pacific
Australasia
thula (Molina, 1782), Americas
(CRAMP & SIMMONS 1977; HANCOCK
& KUSHLAN 1984; DEL HOYO et al. 1992).