EN
Chatham Oystercatcher Haematopus chathamensis



Family: Haematopodidae (Oystercatchers)

Authority: Hartert, 1927

Red List Category

Criteria: D

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Justification of Red List category
This species is listed as Endangered because it has an extremely small population. It has significantly increased over the last 20 years, probably owing to intensive conservation efforts. However, even on islands free from mammalian predators, population sizes fluctuate, with numbers on one island undergoing a possible long-term decline.



Population size: 50-249

Population trend: Decreasing

Distribution size (breeding/resident): 2,800 km2

Country endemic: Yes

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

Recommended citation
BirdLife International (2016) Species factsheet: Haematopus chathamensis. Downloaded from http://www.birdlife.org on 11/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 11/12/2016.