EN
Blue Duck Hymenolaimus malacorhynchos



Family: Anatidae (Ducks, Geese, Swans)

Authority: (Gmelin, 1789)

Red List Category

Criteria: C2a(i)

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Justification of Red List category
This species is listed as Endangered because it has a very small and severely fragmented population which is undergoing a rapid decline owing to a variety of factors, most notably the effects of introduced predators.



Population size: 1200

Population trend: Decreasing

Extent of occurrence (breeding/resident): 199,000 km2

Country endemic: Yes

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

Recommended citation
BirdLife International (2018) Species factsheet: Hymenolaimus malacorhynchos. Downloaded from http://www.birdlife.org on 14/11/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 14/11/2018.