VU
Sao Tome Oriole Oriolus crassirostris



Family: Oriolidae (Orioles and figbirds)

Authority: Hartlaub, 1857

Red List Category

Criteria: D1

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Justification of Red List category
This species qualifies as Vulnerable because it is thought to have a small population, given the small area of suitable primary and mature secondary forest habitat within its range. Improved knowledge of its population and habitat requirements may result in its population estimate being revised upwards and its status being reviewed.



Population size: 250-999

Population trend: Stable

Extent of occurrence (breeding/resident): 640 km2

Country endemic: Yes

Attributes
Land-mass type - oceanic island
Realm - Afrotropical
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2017) Species factsheet: Oriolus crassirostris. Downloaded from http://www.birdlife.org on 21/10/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/10/2017.