Family: Anatidae (Ducks, Geese, Swans)

Authority: Sclater, 1878

Red List Category

Criteria: D1

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Justification of Red List category
This species has a very small population size, estimated to number less than 1,000 mature individuals. It is therefore assessed as Vulnerable.

Population size: 700-999 mature individuals

Population trend: increasing

Extent of occurrence (breeding/resident): 2,800 km²

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Oceanian
IUCN System - Freshwater
IUCN System - Terrestrial
IUCN System - Marine