CR
Giant Ibis Thaumatibis gigantea



Family: Threskiornithidae (Ibises, Spoonbills)

Authority: (Oustalet, 1877)

Red List Category

Criteria: A2cd+3cd+4cd; C2a(i)

Click here for more information about the Red List categories and criteria

Justification of Red List category
This ibis has an extremely small population, which has undergone an extremely rapid decline as a result of hunting, disturbance and lowland deforestation. It is likely to continue to decline extremely rapidly owing to on-going deforestation and human disturbance. It therefore qualifies as Critically Endangered.



BirdLife Species Champion: Steve Martin & Giant Ibis Transport

Population size: 194 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 120,000 km2

Country endemic: no

Attributes
Land-mass type - continent
Realm - Indomalayan
IUCN System - Freshwater
IUCN System - Terrestrial

Recommended citation
BirdLife International (2024) Species factsheet: Giant Ibis Thaumatibis gigantea. Downloaded from https://datazone.birdlife.org/species/factsheet/giant-ibis-thaumatibis-gigantea on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.