VU
Steller's Eider Polysticta stelleri



Family: Anatidae (Ducks, Geese, Swans)

Authority: (Pallas, 1769)

Red List Category

Criteria: A2bcd+3bcd+4bcd

Click here for more information about the Red List categories and criteria

Justification of Red List category
This species is listed as Vulnerable because it is undergoing a rapid population reduction, particularly in the key Alaskan populations. Further studies are needed to determine the causes of these declines, and whether some populations may have shifted to unsurveyed areas within the range.



Population size:

Population trend: Decreasing

Distribution size (breeding/resident): 9,240,000 km2

Country endemic: No

Attributes
Land-mass type - continent
Realm - Nearctic
Realm - Palearctic
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2016) Species factsheet: Polysticta stelleri. Downloaded from http://www.birdlife.org on 10/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 10/12/2016.