Alternative names: Plain-pouched Wreathed Hornbill; Tenasserim Hornbill; Blyth's Wreathed Hornbill
- Rhyticeros subruficollis
Aceros subruficollis
Identification
Male 86.5-89.5 cm, female 76-84 cm. A large black hornbill with a short white tail.
Male
- Dark rufous crown and nape
- Creamy white sides of head and upper breast
- Pale yellow bill with red-brown base
- Wreathed casque
- Yellow inflatable throat skin
Female
- All black plumage (except tail)
- Smaller than male
- Blue throat sac
Juveniles are similar to adults but they have a smaller bill and no casque
Similar species
Smaller than Wreathed Hornbill. Note also red bill base, lack of ridges on mandibles and missing dark bar on throat sac. This bird has a pale head, neck and tail. The base of its bill is brown.
Distribution
South-east Myanmar, Thailand and northern peninsular Malaysia.
Uncommon to rare in its small range.
Taxonomy
This is a monotypic species.
Sometimes considered conspecific with Wreathed Hornbill.
This species has been placed in the genus Aceros.
Habitat
Mixed deciduous, dry and humid evergreen forests, mainly in the lowlands. Occurs up to 1000m.
Behaviour
Its diet comprises fruit, invertebrates and small vertebrates. Forages mainly in the canopy. It builds nests in holes in tall, broad trees, from January-June.
Vocalisation
Loud keh-kek-kehk.
References
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- Del Hoyo, J, A Elliot, and J Sargatal, eds. 2001. Handbook of the Birds of the World. Volume 6: Mousebirds to Hornbills. Barcelona: Lynx Edicions. ISBN 978-8487334306
Recommended Citation
- BirdForum Opus contributors. (2025) Plain-pouched Hornbill. In: BirdForum, the forum for wild birds and birding. Retrieved 29 April 2025 from https://www.birdforum.net/opus/Plain-pouched_Hornbill
External Links
The following link will search the gallery for images of this species. None were found at the time of editing.
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