Bioko Speirops Zosterops brunneus

Family: Zosteropidae (White-eyes and Yuhinas)

Authority: (Salvadori, 1903)

Red List Category

Criteria: D2

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Justification of Red List category
This species is classified as Vulnerable on account of its very small range. Although it is apparently currently secure, it is inherently at risk, especially from any loss of its very restricted habitat.

Population size: 6000-15000 mature individuals

Population trend: stable

Extent of occurrence (breeding/resident): 70 km2

Country endemic: yes

Land-mass type - shelf island
Realm - Afrotropical
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2024) Species factsheet: Zosterops brunneus. Downloaded from on 04/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from on 04/03/2024.