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Sulawesi Cuckoo - BirdForum Opus

Photo © by julienl
Wuasa, Sulawesi, Indonesia, May 2018

Alternative name: Sulawesi Hawk-Cuckoo; Celebes Hawk-Cuckoo

Cuculus crassirostris


34cm (13½ in). Sexes similar.

  • upperparts grey-brown
  • unbanded outer wing
  • head grey (may be blackish)
  • underparts white with black bars
  • tail barred black, rufous and white. Subterminal black band and white tips
  • eye-ring yellow
  • bill brown to black with greenish base

Juveniles are rufous above, have a black head and buffy-white underparts.


Sulawesi endemic. South East Asia: Indonesia: Greater Sundas. Uncommon and difficult to observe in mountains of the north and centre.


This is a monotypic species.
It's often placed in the genus Hierococcyx along with other Hawk-cuckoos.


Primary forest. Occurs from 500m to 1400m.



Feeds on insects, including termites.


No information about breeding.


Apparently a resident species.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Del Hoyo, J, A Elliot, and J Sargatal, eds. 1997. Handbook of the Birds of the World. Volume 4: Sandgrouse to Cuckoos. Barcelona: Lynx Edicions. ISBN 978-8487334221

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