The drongos are a family, Dicruridae, of passerine birds and 31 species in the family are placed in a single genus, Dicrurus.

Dicruridae or Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.

1/ Black Drongo (Chèo bẻo, Dicrurus macrocercus)
2/ Hair-crested drongo (Chèo bẻo bờm, Dicrurus hottentottus)
3/ Lesser racket-tailed drongo (Chèo bẻo cờ đuôi bằng, Dicrurus remifer)
4/ Greater racket-tailed drongo (Chèo bẻo cờ đuôi chẻ, Dicrurus paradiseus)
5/ Crow-billed drongo (Chèo bẻo mỏ quạ, Dicrurus annectens) 
6/ Bronzed drongo (Chèo bẻo rừng, Dicrurus aeneus)
7/ Ashy drongo (Chèo bẻo xám, Dicrurus leucophaeus)