Family: Alcidae (Auks)

Authority: (Pallas, 1811)

Red List Category

Criteria: A2abce+3bce+4abce

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Justification of Red List category
This species is listed as Near Threatened because the global population decline is likely approaching 30% across three generations. If the decline is found to be larger, the species would qualify for uplisting.

Population size: 3600000 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 8,620,000 km²

Country endemic: no

Attributes
Realm - Nearctic
IUCN System - Marine