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

Aix is a bird genus that contains two species of ducks: the wood duck (Aix sponsa), and the mandarin duck (Aix galericulata). 
Aix is an Ancient Greek word used by Aristotle to refer to an unknown diving bird.

1/ Mandarin duck (Uyên ương, Aix galericulata)