Knobbed Hornbill (Rangkong)
Rhyticeros cassidix

A large Sulawesi endemic hornbill with unmistakable casque and loud wingbeats.
HabitatLowland and hill forest canopy
DietMostly fruit (figs), some insects
SizeAbout 70-80 cm long
BehaviorCanopy forager; wide-ranging; noisy flight
Where you might see it
Around mainland Sulawesi forests (Luwuk/Banggai region) with tall trees.
How to spot it
Scan treetops at sunrise; listen for deep calls and heavy wingbeats.
Responsible Encounter Guidelines
- •Stay on trails.
- •Keep distance from nesting cavities.
- •No drones near canopy.
- •Avoid playback calls.
- •Support local conservation guides.
Gallery


Conservation Status
Vulnerable; forest loss is the primary driver of decline.