
Photo: Aparajita Datta · CC BY-SA 4.0 (May be cropped or resized)
Rhyticeros undulatus
Diet
Fruit and small animals
Habitat
Evergreen forest
Range
South and Southeast Asia
This large ridged-casque hornbill travels widely between fruiting trees and seals the nesting female inside a natural tree hollow (Wikipedia, general species account). It is Nationally Vulnerable (Thailand Red Data 2025).