Chatham Islands Oystercatcher Haematopus chathamensis

Family: Haematopodidae (Oystercatchers)

Authority: Hartert, 1927

Red List Category

Criteria: D

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Justification of Red List category
Although the species has significantly increased in population size as a result of intensive conservation effort, it has an extremely small population comprising fewer than 250 mature individuals that is now thought to be stable, with numbers on one island undergoing a possible long-term decline. As a result, the species is classified as Endangered.

Population size: 200-249 mature individuals

Population trend: stable

Extent of occurrence (breeding/resident): 2,800 km2

Country endemic: yes

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

Recommended citation
BirdLife International (2023) Species factsheet: Haematopus chathamensis. Downloaded from http://datazone.birdlife.org/species/factsheet/chatham-islands-oystercatcher-haematopus-chathamensis on 09/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 09/12/2023.