EN
Polynesian Imperial-pigeon Ducula aurorae



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Red List Category

Criteria: D

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Justification of Red List category
This species qualifies as Endangered because it has a very small population, and almost certainly only now occurs on only one very small island. Although it may currently be increasing there owing to a cessation of mining activities and hunting, it has a very small population and could decline rapidly in the near future owing to habitat destruction, or if Swamp Harrier Circus approximans colonises the island. Confirmation that the population is larger than previously thought, and further clarification of future potential threats, may show that the species warrants downlisting to a lower category of threat.


Population size: 100-500 mature individuals

Population trend: Increasing

Distribution size (breeding/resident): 25 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 - Oceanic - realm
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2016) Species factsheet: Ducula aurorae. Downloaded from http://www.birdlife.org on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2016.