Aves > Pelecaniformes > Ardeidae > Bubulcus > Bubulcus ibis
Compare AOU treatments of Bubulcus ibis, in Avibase (1886 to present).
Search for Bubulcus ibis at Cornell Birds of North America.
Annotation: Not recognized by del Hoyo et al. (1992) or Clements (2000) or Howard and Moore (2003), but included in treatments Peters (1979).