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Isabela Oriole - BirdForum Opus

Revision as of 22:21, 14 April 2019 by KCFoggin-243 (talk | contribs)
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Alternative names: Isabella Oriole; Green-lored Oriole; Olive-lored Oriole

Oriolus isabellae
Photo © by Mark Harper
North Luzon, Philippines, March, 2019


21-23 cm.

  • Uniformly yellowish-olive upperparts
  • Brighter yellow around eye, yellowish-olive lores
  • Yellow-olive upperwing, remiges with dull brown inner webs
  • Yellowish-olive uppertail, yellower below, narrowly tipped pale yellowish
  • Plain yellow chin, throat and underparts
  • Grey orbital ring around dark brown to reddish-brown eye

Sexes similar, immatures undescribed.


Endemic to the mountains of northern and western Luzon, The Philippines. Occurs in the provinces of Cagayan, Quirino, Isabela and Bataan (probably extinct in Bataan).
A critically endangered restricted-range species. The small population is declining rapidly due to ongoing habitat loss. Survives in northeast Luzon, last record in Bataan province in 1947.


This is a monotypic species.
May form a superspecies with Dark-throated Oriole and Philippine Oriole.


Found in lowland rainforest, especially in thick bamboo forest. Also in secondary growth and at forest edge.
Occurs up to 440 m.



Feeds on fruits. Takes also insects and their larvae.
Forages singly, in pairs or small groups, often in fruiting trees and in mixed-species flocks.


Breeding recorded in April and May. No other information.


Presumably a sedentary species.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2013. The eBird/Clements checklist of birds of the world: Version 6.8., with updates to August 2013. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved July 2014)

Recommended Citation

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