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 Nyctanassa Stejneger, 1887 [monotypic]
Nyctanassa violacea (Linnaeus, 1758) - yellow-crowned night heron
Nyctanassa violacea cayennensis (Gmelin, 1789)