Family: Anatidae (Ducks, Geese, Swans)

Authority: (Gmelin, 1789)

Red List Category

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Justification of Red List category
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be increasing, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size may be small, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.

Population size: 3300-6700 mature individuals

Population trend: increasing

Extent of occurrence (breeding/resident): 618,000 km²

Country endemic: yes

Attributes
Realm - Oceanian
IUCN System - Freshwater
IUCN System - Terrestrial
IUCN System - Marine