Stewart Island Shag Leucocarbo chalconotus

Family: Phalacrocoracidae (Cormorants)

Authority: (Gray, 1845)

Red List Category

Criteria: C2a(i)

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Justification of Red List category
This species is classified as Vulnerable because it has a small range and is restricted to a small and decreasing number of colonies. Although it is known to abandon and reoccupy sites over decades, the loss of a comparatively large number of locations in recent years is of concern, and although population trends are unclear, the population may be declining.

Population size: 3300-5300 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 52,900 km2

Country endemic: yes

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

Recommended citation
BirdLife International (2024) Species factsheet: Leucocarbo chalconotus. Downloaded from on 04/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from on 04/03/2024.