VU
Sao Tome Oriole Oriolus crassirostris



Family: Oriolidae (Old World Orioles)

Authority: Hartlaub, 1857

Red List Category

Criteria: C2a(ii)

Click here for more information about the Red List categories and criteria

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 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 640 km2

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Afrotropical
IUCN System - Terrestrial

Recommended citation
BirdLife International (2024) Species factsheet: Sao Tome Oriole Oriolus crassirostris. Downloaded from https://datazone.birdlife.org/species/factsheet/sao-tome-oriole-oriolus-crassirostris on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.