VU
Christmas Boobook Ninox natalis



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Red List Category

Criteria: D2

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Justification of Red List category
This species is classified as Vulnerable because it has a very small range on one very small island, and it is susceptible to the effects of introduced taxa. It had previously been listed as Critically Endangered but was downlisted following control of the yellow crazy ant Anoplolepis gracilipes, which is ongoing.

Population size: 670 mature individuals

Population trend: Stable

Distribution size (breeding/resident): 140 km2

Country endemic: Yes

Attributes
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Indomalayan - realm
Realm - Oceanic - realm
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2016) Species factsheet: Ninox natalis. Downloaded from http://www.birdlife.org on 04/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/12/2016.