VU
Sao Tome Oriole Oriolus crassirostris



Family: Oriolidae (Orioles and figbirds)

Authority: Hartlaub, 1857

Red List Category

Criteria: C2a(ii)

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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, which is tentatively inferred to be declining as a result of habitat degradation.



Population size: 2500-9999

Population trend: Decreasing

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 (2019) Species factsheet: Oriolus crassirostris. Downloaded from http://www.birdlife.org on 10/12/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 10/12/2019.