Anthracoceros is a genus of birds in the family Bucerotidae.
The name is a combination of the Ancient Greek words:
 ανθραξ anthrax, ανθρακος anthrakos meaning "coal black" ,
and κερας keras, κερως kerōs meaning "horn".

1/ Malabar pied hornbill (Cao cát bụng trắng, Anthracoceros coronatus), also known as lesser pied hornbill
Anthracoceros coronatus [malabaricus or albirostris] (= Anthracoceros coronatus malabaricus)

2/ Black hornbill (Cao cát đen, Anthracoceros malayanus)

3/ Oriental pied hornbill (Cao cát phương đông, Anthracoceros albirostris) 
albirostris
From albus (“white”) +‎ rōstrum (“beak”)