Ivory-billed Coucal (Centropus menbeki) [XC558584]
by Sofia Medell\u00edn from Nekiei, Wario River, East Sepik Province, Papua New Guinea (song)
Ivory-billed Coucal (Centropus menbeki) [XC140684]
by Bas van Balen from Dabra, Southern Mamberamo basin, Papua, Indonesia (alarm call)
Subspecies
Forms a superspecies with Goliath Coucal (Centropus goliath) and Violaceous Coucal (Centropus violaceus). Original spelling is menbeki, although listed by Lesson and Garnot in 1829 as menebiki, based on a local Papuan word.
The following 3 subspecies are recognised:
menbeki Lesson & Garnot, 1828 - New Guinea, western Papuan islands and Numfor I.