Channel-billed cuckoo
![](/Images/godic/202501/04/Channel-billed_Cuckoo_at_Adelaide_Zoo5321.jpg")
![A juvenile, displaying the pale tipped feathers on the wings. In adults the tips are dark.](/Images/godic/202501/04/ChannelBilledCuckoo5322.jpg")
![Channel-billed cuckoo in flight.](/Images/godic/202501/04/Channel-billed_Cuckoo_Nov07_kobble5322.JPG")
![Channel-billed cuckoo chick being fed by much smaller pied currawong in Sydney, Australia](/Images/godic/202501/04/Cuckoo_being_fed_by_pied_currawong5322.jpg")
The channel-billed cuckoo (Scythrops novaehollandiae) is a species of cuckoo in the Cuculidae family. It is monotypic within the genus Scythrops. The species is the largest brood parasite in the world, and the largest cuckoo.
It is found in Australia, Papua New Guinea and Indonesia; additionally, it is vagrant in New Caledonia and New Zealand. The species is migratory over part of its range. There are three subspecies, one migratory, the other two resident. The species is listed as least concern by the IUCN.