The Black-crowned Night Heron (Nycticorax nycticorax) also commonly known as Black-crowned Night-heron, is a species of bird (Aves) in the family Ardeidae (Herons, Egrets, and Bitterns) and order Pelecaniformes (Ibises).
Nycticorax nycticorax
Nycticorax mauritianus
Nycticorax caledonicus
Nycticorax duboisi
Nycticorax megacephalus