Family: Strigidae (Typical Owls)

Authority: (Tristram, 1880)

Red List Category:

Criteria: B1ab(ii,iii,v); C2a(ii)
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Justification of Red List category
This species has a tiny range. It is known only from one locality and is experiencing a continuing reduction in habitat quality through development, disease, and invasive species. It is therefore listed as Critically Endangered. 

Population size: 200-280 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 46 km²

Country endemic: yes

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