White-crowned hornbill (Niệc đầu trắng, Berenicornis comatus), also the long-crested hornbill or white-crested hornbill (leading to easy confusion with the African white-crested hornbill), is a species of hornbill.
The white-crowned hornbill is sometimes placed in genus Aceros instead

The white-crowned hornbill (Berenicornis comatus)is a species of the hornbill family Bucerotidae.
This bird species is found in the Malay Peninsula, Sumatra and Borneo.

Bucerotiformes, Bucerotidae, Buceros: Latin bucerus horned like an ox (Greek boukeros: horned like an ox: bous ox; keros: horn).

Berenicornis is a scientific genus name for a type of hornbill, derived from a combination of Latin and Greek roots.
 - Beren- (Latin/uncertain): Likely derived from the Latin bicornis (meaning "two-horned") or similar latinized combinations referring to the casque, though it is sometimes considered a constructed, descriptive name for the crest.
 -icornis (Latin): Derived from cornu, meaning "horn".
 -ornis (Ancient Greek): From Ancient Greek ὄρνις (órnis), meaning "bird".

Comatus is a Latin adjective meaning "long-haired," "hairy," "shaggy," or "leafy": derived from the noun coma ("hair of the head" or "foliage") and the suffix -atus ("-ed," or "furnished with").