Vietnam Adventure Tours & Travel, Trekking, Cycling, Family Tours

Ashy drongo 
(Chèo bẻo xám, Dicrurus leucophaeus)

The ashy drongo (Dicrurus leucophaeus) is a species of bird in the drongo family Dicruridae.

Dicruridae or Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.
Leucophaeus, leucophaeus, leucophaius Greek: leukophaios whitish-grey, ash-coloured (leukos, white; phaios dusky)
Greek phaes meaning "eyes" or "face".

Black Drongo 
(Chèo bẻo, Dicrurus macrocercus)

The black drongo (Dicrurus macrocercus) is a small Asian passerine bird of the drongo family Dicruridae.

The black drongo is a common resident breeder in much of tropical southern Asia from southwest Iran through Pakistan, India, Bangladesh and Sri Lanka east to southern China and Indonesia and visitor of Japan. 

Dicruridae or Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.
macrocerca, Macrocercus, macro-cercus Greek makrokerkos long-tailed (makros long; kerkos tail).

Bronzed drongo 
(Chèo bẻo rừng, Dicrurus aeneus)

The bronzed drongo (Dicrurus aeneus) is a small Indomalayan bird belonging to the drongo group.
The bird residents in the forests of the Indian Subcontinent and Southeast Asia.

Dicruridae or Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.
aeneus in Latin means "of a bronze colour" or "coppery".

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)

Greater Racket-Tailed Drongo 
(Chèo bẻo cờ đuôi chẻ, Dicrurus paradiseus)

The greater racket-tailed drongo (Dicrurus paradiseus) is a medium-sized Asian bird which is distinctive in having elongated outer tail feathers with webbing restricted to the tips. 

Compare:
- Greater racket-tailed drongo: has a crest, tail not square cut;
- Lesser racket-tailed drongo : no crest, tail square cut.

Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.
Paradisaea / paradisaea / paradisea / paradiseus / paradisi Late L. paradisus paradise: Greek paradeisos paradise, pleasure ground of the Persian kings.

Lesser racket-tailed drongo 
(Chèo bẻo cờ đuôi bằng, Dicrurus remifer)

The lesser racket-tailed drongo (Dicrurus remifer) is a species of bird in the family Dicruridae.
The bird is found in the Indian Subcontinent and Southeast Asia: Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, and Vietnam.

Compare:
- Greater racket-tailed drongo: has a crest, tail not square cut;
- Lesser racket-tailed drongo : no crest, tail square cut

Dicruridae or Dicrurus is derived from the Greek words dikros meaning forked, ouros meaning tailed.
remifer: Latin remus, remi oar; -fer bearing (ferre to bear).