NT
Olrog's Gull Larus atlanticus



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Red List Category

Criteria: B2b(iii)

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Justification of Red List category
This species has a highly restricted breeding range at a small number of colonies. Numbers breeding annually appear to fluctuate, but there is currently no evidence of a continuing decline, therefore the species has been reclassified as Near Threatened. Potential threats to breeding sites remain, and any evidence of declines would result in reclassification in a higher threat category.

Population size: 9800-15600 mature individuals

Population trend: Stable

Country endemic: No

Attributes
Land-mass type - continent - Continents are land masses > bigger than Australia (=7,682,300 sq km).
Realm - Neotropical - realm
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2016) Species factsheet: Larus atlanticus. Downloaded from http://www.birdlife.org on 04/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/12/2016.