Family: Threskiornithidae (Ibises, Spoonbills)

Authority: (Chapin, 1923)

Red List Category

Criteria: C2a(ii)

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Justification of Red List category
This species is classified as Critically Endangered owing to its extremely small population which is thought to be declining as a result of habitat loss and hunting pressure.

BirdLife Species Guardian: SPEA (Portugal)

Population size: 130-1700 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 140 km²

Country endemic: yes

Attributes
Land-mass type - oceanic island
Realm - Afrotropical
IUCN System - Terrestrial