Family: Alcidae (Auks)

Authority: (Temminck, 1835)

Red List Category

Criteria: C2a(ii)

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

Justification of Red List category
This species has a small population which is thought to be declining rapidly as a result of disturbance at breeding sites, predation and mortality from drift-net fisheries. It is therefore listed as Vulnerable.

Population size: 5200-9400 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 1,310,000 km²

Country endemic: no

Attributes
Land-mass type - shelf island
Land-mass type - oceanic island
Realm - Palearctic
IUCN Ecosystem -- Marine biome