|Known locations of sightings or collections|
The Isabela oriole (Oriolus isabellae) is a species of the oriole family endemic to Luzon in the Philippines. The bird was presumed to be extinct for many years until its rediscovery in December 1993 near Diffun, Quirino, and in Mansarong, Baggao, Cagayan in September 1994. Additional sightings were made in 2004 near San Mariano, Isabela.
Taxonomy and systematics
The Isabela oriole is most closely related to the white-lored oriole. Both species are closely related to the paraphyletic Philippine oriole. The Isabela oriole is sometimes considered to form a superspecies with the dark-throated oriole and the Philippine oriole. Alternate names for the Isabela oriole include the green-lored oriole and olive-lored oriole.
Distribution and habitat
- BirdLife International (2016). "Oriolus isabellae". IUCN Red List of Threatened Species. Version 2016.3. International Union for Conservation of Nature. Retrieved 24 February 2017.
- Gamauf, Anita; Tebbich, Sabine (February 1996). "Re-discovery of the Isabela Oriole, Oriolus isabellae" (PDF). Forktail. 11: 170–171. ISSN 0950-1746.
- van der Linde, K. (1996). "A further record of the Isabela Oriole (Oriolus isabellae) from Baggao, Cagayan Province, northern Philippines." Forktail 11: 171.
- van Weerd, M. and Hutchinson, R. (2004) "Observations of Isabela Oriole Oriolus isabellae in the Sierra Madre, Luzon, Philippines, with descriptions of the call." Forktail 20: 133-136. 
- Knud A. Jønsson, Rauri C. K. Bowie, Robert G. Moyle, Martin Irestedt, Les Christidis, Janette A. Norman, Jon Fjeldså (2010) Phylogeny and biogeography of Oriolidae (Aves: Passeriformes) Ecography 33(2): 232–241 doi:10.1111/j.1600-0587.2010.06167.x
- "Dark-throated Oriole (Oriolus xanthonotus)". www.hbw.com. Retrieved 2017-02-24.
- "Oriolus isabellae - Avibase". avibase.bsc-eoc.org. Retrieved 2017-02-25.
- "Oriolus isabellae (Isabela Oriole, Isabella Oriole)". www.iucnredlist.org. Retrieved 2017-02-25.
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