Family: Bucerotidae (Hornbills)

Authority: Steere, 1890

Red List Category

Criteria: C2a(i)

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Justification of Red List category
This hornbill is estimated to have a very small population, which is undergoing a continuing decline, primarily as a result of the loss, fragmentation, and degradation of lowland forest, compounded by hunting pressure. It therefore qualifies as Endangered.

Population size: 250-999 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 11,700 km²

Country endemic: yes

Attributes
Land-mass type - shelf island
Realm - Indomalayan
IUCN System - Terrestrial