Integrated Taxonomic Information System (ITIS): Ocyphaps lophotes (TSN 177238)itis.gov. Viitattu 12.5.2023. (englanniksi)
iucnredlist.org
BirdLife International: Ocyphaps lophotesIUCN Red List of Threatened Species. Version 2022-2. 2016. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 12.5.2023. (englanniksi)