Christmas Boobook Ninox natalis

Family: Strigidae (Typical Owls)

Authority: Lister, 1889

Red List Category

Criteria: D2

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Justification of Red List category
This species is classified as Vulnerable because its range is restricted to one very small island, it is estimated to have a small population (ca. 1000 individuals) (Garnett et al. (2011) and it may be susceptible to the effects of introduced taxa. It had previously been listed as Critically Endangered but was downlisted following episodic control of the yellow crazy ant Anoplolepis gracilipes, a possible threat which may be ongoing.

Population size: 1000

Population trend: Stable

Extent of occurrence (breeding/resident): 240 km2

Country endemic: Yes

Land-mass type - oceanic island
Realm - Indomalayan
Realm - Oceanic
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2021) Species factsheet: Ninox natalis. Downloaded from on 25/09/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from on 25/09/2021.