NT
Kerguelen Tern Sterna virgata



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Red List Category

Criteria: D1

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Justification of Red List category
This species is listed as Near Threatened owing to its small population. It is not thought to be undergoing a decline at present, but any indication of a decline would result in the species being reclassified as threatened.

Population size: 2300-4300 mature individuals

Population trend: Stable

Distribution size (breeding/resident): 7,800 km2

Country endemic: No

Attributes
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Afrotropical - realm
Realm - Antarctic - realm
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2016) Species factsheet: Sterna virgata. Downloaded from http://www.birdlife.org on 02/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 02/12/2016.