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Isabela Oriole

From Opus

Alternative names: Isabella Oriole; Green-lored Oriole; Olive-lored Oriole

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


[edit] Identification

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.

[edit] Distribution

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.

[edit] Taxonomy

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

[edit] Habitat

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

[edit] Behaviour

[edit] Diet

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.

[edit] Breeding

Breeding recorded in April and May. No other information.

[edit] Movements

Presumably a sedentary species.

[edit] References

  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
  2. Handbook of the Birds of the World Alive (retrieved July 2014)

[edit] External Links


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