The classification was noted by ornithologists Nigel J. Collar and John D. Pilgrim in 2007, and endorsed by the International Ornithological Congress, by Alan P. Peterson in his well-known Zoological Nomenclature Resource (Zoonomen), and by the Internet Bird Collection (IBC), sponsored by the Handbook of the Birds of the World.
A clasificación foi utilizada polos ornitólogos Nigel J. Collar e John D. Pilgrim en 2007, e apoiada no Congreso Ornitolóxico Internacional por Alan P. Peterson no seu coñecido Zoological Nomenclature Resource (Zoonomen), e pola Internet Bird Collection (IBC), patrocinada poloHandbook of the Birds of the World.