Neornithes Gadow, 1893 - living birds
Neognathae Pycraft 1900
see Cohort Neognathae Pycraft, 1900
Neoaves Sibley et al. 1988
see Subcohort Neoaves Sibley et al., 1988
[Order] Ciconiiformes Bonaparte, 1854
Family Ardeidae Leach, 1820 - herons, bitterns and egrets
Subfamily Ardeinae Leach, 1820
Genus Egretta Forster, 1817
Egretta thula (Molina, 1782) - snowy egret
Egretta thula brewsteri Thayer & Bangs, 1909