Data Zone
| Scientific name | Common name | Family | Red List category |
|---|---|---|---|
| Buceros bicornis | Great Hornbill | Bucerotidae (Hornbills) | VU |
| Buceros hydrocorax | Northern Rufous Hornbill | Bucerotidae (Hornbills) | VU |
| Buceros rhinoceros | Rhinoceros Hornbill | Bucerotidae (Hornbills) | VU |
| Buceros mindanensis | Southern Rufous Hornbill | Bucerotidae (Hornbills) | VU |