Aves > Pelecaniformes > Ardeidae > Nyctanassa > Nyctanassa violacea > Nyctanassa violacea cayennensis

subspecies: Nyctanassa violacea cayennensis (Yellow-crowned Night-Heron, )

Annotation: Not recognized by Peters (1979), but included in treatments by del Hoyo et al. (1992), Clements (2000), Howard and Moore (2003), and BNA.