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Sulphur-bellied Bulbul - BirdForum Opus

Photo © by Wintibird
Sabang, Palawan, Philippines, 6 March 2019

Alternative names: Golden-eyed Bulbul; Olive Bulbul

Iole palawanensis

Ixos palawanensis

Identification

18 cm. A small, olive-brown bulbul with a slight crest.

  • Olive-brwon crown and ear-coverts with narrow pale shaft streaks
  • Dull olive-brown upperparts
  • Brown wings and tail with pale olive fringing on upperside of flight-feathers and rectrices
  • Yellowish-white throat with olive-yellow streaks, getting darker on breast and flanks and smudged with pale olive and greyish
  • Primrose-yellow lower breast, belly and undertail-coverts

Sexes similar, juveniles undescribed.

Distribution

Endemic to Palawan in the western Philippines.
An uncommon and poorly known restricted-range species.

Taxonomy

This is a monotypic species.
Sometimes placed in the genus Ixos or in Hypsipetes.

Habitat

Found in evergreen forest, forest edges and secondary growth in the mountains of Palawan.

Behaviour

Usually seen singly, in pairs or in small flocks.

Diet

Not well known. Feeds probably on fruit and insects.

Breeding

Birds with enlarged gonads were recorded in April. No other information.

Movements

This is a resident species.

References

  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. Fishpool, L. & Tobias, J. (2019). Sulphur-bellied Bulbul (Iole palawanensis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/58024 on 26 March 2019).

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