Family: Laridae (Gulls, Terns, Skimmers)

Authority: (Bruch, 1853)

Red List Category

Criteria: A2ac+3c+4ac

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Justification of Red List category
This species is listed as Vulnerable owing to a rapid population reduction in the last three generations (44 years). Trends in the main population appear to have stabilised and, unless declines recommence the species may warrant downlisting to Near Threatened in future.

Population size:

Population trend: Decreasing

Extent of occurrence (breeding/resident): 1,320,000 km²

Country endemic: No

Attributes
Land-mass type - oceanic island
Land-mass type - shelf island
Realm - Nearctic
Realm - Palearctic
USFWS - Bird of Conservation Concern
IUCN Ecosystem -- Marine biome