Buceros
Buceros is a genus of large Asian hornbills.
Description
s in the genus Buceros include the largest hornbills in the world, with the largest being the great hornbill. All the hornbills in this genus have a large and hollow bony casque on their upper beak that can be useful to scientists and bird watchers to recognise their age, sex and species. Their wingspan can be up to 1.8 meters and they have the largest wingspan out of all the hornbills.Species
included in the genus are:| Image | Scientific name | Common Name | Distribution |
| Buceros rhinoceros | Rhinoceros hornbill | Borneo, Sumatra, Java, the Malay Peninsula, Singapore, and southern Thailand | |
| Buceros bicornis | Great hornbill | India, Bhutan, Nepal, Mainland Southeast Asia, Indonesian Island of Sumatra and North eastern region of India | |
| Buceros hydrocorax | Rufous hornbill | Philippines |
The helmeted hornbill is sometimes included in this genus, but today most authorities place it in the monotypic Rhinoplax instead.