Knobbed Hornbill
Rhyticeros cassidix
IUCN: Vulnerable
Taxonomy
- Order
- Bucerotiformes
- Family
- Bucerotidae
- Genus
- Rhyticeros
- eBird Code
- knohor1
Distribution
Sulawesi region, including Lembeh and Togian Islands (off northeast), and Muna and Buton (off southeast)
Data Sources
Taxonomy data from AviList 2025.