Wreathed Hornbill Rhyticeros undulatus

Family: Bucerotidae (Hornbills)

Authority: (Shaw, 1811)

Red List Category

Criteria: A3cd+4cd

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Justification of Red List category
This species is considered intolerant of habitat loss, requiring large areas of undisturbed forest, in a region which is experiencing high rates of deforestation. High hunting pressure is likely exacerbating the population decline caused by habitat loss. The species is suspected to undergo a large population reduction over the next three generations. Therefore, it is listed as Vulnerable.

Population size: unknown

Population trend: decreasing

Extent of occurrence (breeding/resident): 7,020,000 km2

Country endemic: no

Realm - Indomalayan
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2024) Species factsheet: Rhyticeros undulatus. Downloaded from on 23/02/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from on 23/02/2024.