Plain-pouched hornbill
In Thai: นกเงือกกรามช้างปากเรียบ, nok ngeuak kraam chaang paak riep
Binomial name: Rhyticeros subruficollis, Edward Blyth, 1843
The plain-pouched hornbill (Rhyticeros subruficollis) is a species of hornbill in the family Bucerotidae. It is found in forests of the Dawna Range and the Tenasserim Hills of southern Myanmar, adjacent parts of western Thailand and northern Peninsular Malaysia.
It is threatened by habitat loss.
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Scientific classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Bucerotiformes
- Family
- Bucerotidae
- Genus
- Rhyticeros
- Species
- Rhyticeros subruficollis
Common names
- Thai: นกเงือกกรามช้างปากเรียบ, nok ngeuak kraam chaang paak riep
Conservation status

Vulnerable (IUCN3.1)
Range Map

- Bang Lang National Park
- Hala-Bala Wildlife Sanctuary
- Huai Kha Khaeng Wildlife Sanctuary
- Kaeng Krachan National Park
- Khao Luang National Park
- Khao Nam Khang National Park
- Khao Phra - Bang Khram Wildlife Sanctuary
- Khao Sok National Park
- Ko Phayam
- Mueang Krabi District, Krabi
- Mueang Ranong District, Ranong
- San Kala Khiri National Park
- Thale Ban National Park
- Ton Nga-Chang Wildlife Sanctuary