Appert's Tetraka Xanthomixis apperti

Family: Bernieridae (Tetrakas)

Authority: (Colston, 1972)

Red List Category

Criteria: D1+2

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Justification of Red List category
This species has a very small range, within which it is known from only 4 forest patches. It is therefore currently classified as Vulnerable, but evidence of a continuing decline in its population or range would result in its uplisting to Endangered. Conversely, it may prove to be more widely distributed and to occupy a continuous distribution between the known locations, in which case it may be appropriate to downlist to a lower threat category.

Population size: 600-1700

Population trend: Stable

Extent of occurrence (breeding/resident): 6,100 km2

Country endemic: Yes

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

Recommended citation
BirdLife International (2021) Species factsheet: Xanthomixis apperti. Downloaded from on 14/04/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from on 14/04/2021.