Data Zone
| Scientific name | Common name | Family | Red List category |
|---|---|---|---|
| Rhabdotorrhinus corrugatus | Wrinkled Hornbill | Bucerotidae (Hornbills) | EN |
| Rhabdotorrhinus exarhatus | Sulawesi Hornbill | Bucerotidae (Hornbills) | VU |
| Rhabdotorrhinus leucocephalus | Writhed Hornbill | Bucerotidae (Hornbills) | NT |
| Rhabdotorrhinus waldeni | Rufous-headed Hornbill | Bucerotidae (Hornbills) | CR |