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

Black Bittern
(Cò hương, Ixobrychus flavicollis) 

The black bittern (Ixobrychus flavicollis) is a bittern of Old World origin. It is mainly resident, but some northern birds migrate short distances.

Ardeidae, Ardea: the Latin word ardea meaning "heron".
The genus name Ixobrychus combines the Ancient Greek ixias, a reed-like plant and brukhomai, to bellow.
flavicollis: flavi New Latin from flāvus (“yellow”); Modern Latin -collis, "-necked".

Cinnamon Bittern 
(Cò lửa, Ixobrychus cinnamomeus) or chestnut bittern

The cinnamon bittern or chestnut bittern is a small Old World bittern of the family Ardeidae of the order Pelecaniformes.

Ardeidae, Ardea: Latin word meaning "heron".
The genus name combines the Ancient Greek ixias, a reed-like plant and brukhomai, to bellow.

Ixobrychus is a genus of bitterns, a group of wading bird in the heron family Ardeidae.

Ardeidae, Ardea: the Latin word ardea meaning "heron".
The genus name combines the Ancient Greek ixias, a reed-like plant and brukhomai, to bellow.

1/ Black bittern (Cò hương, Ixobrychus flavicollis) 
2/ Cinnamon bittern (Cò lửa, Ixobrychus cinnamomeus) or chestnut bittern
3/ Yellow bittern (Cò lửa lùn, Ixobrychus sinensis)
4/ Von Schrenck's bittern or Schrenck's bittern (Cò nâu, Ixobrychus eurhythmus)