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Yellow-billed Malkoha - BirdForum Opus

Photo by obasanmi
Tangkoko, Sulawesi, October 2005
Rhamphococcyx calyorhynchus

Phaenicophaeus calyorhynchus



  • Rufous-maroon upperparts
  • Dark grey crown and face
  • Dark purple wings
  • Black tail
  • Rufous throat and breast
  • Dark grey belly
  • Bill yellow above, black tip with white spot and red below nostril and on lower mandible


  • calyorhynchus is darker, meridionalis paler on underparts and on crown, rufiloris has dark rufous above lores rather than grey.


Endemic to Sulawesi (Indonesia) and some adjacent islands.
A poorly known species.


Formerly placed in Phaenicophaeus.


Three subspecies are recognized:[3]

  • R. c. calyorhynchus - Sulawesi and Togian Islands
  • R. c. meridionalis - Central and southern Sulawesi
  • R. c. rufiloris - Butung Island (off Sulawesi)


Moist lowland forests.
From sea-level up to 1300m.



Feeds on insects.
Follows the macaques and catches insects the macaques stir up. Also hops and creeps around in the canopy like a squirrel. Follows also Bay Coucal.


Breeding season from November to December. The nest is undescribed.


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. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. 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
  3. Gill, F and D Donsker (Eds). 2012. IOC World Bird Names (version 3.2). Available at http://www.worldbirdnames.org/.
  4. BF Member observations

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