Eurasian wigeon or European wigeon 
(Vịt đầu vàng, Mareca penelope), also known as the widgeon or the wigeon

The Eurasian wigeon or European wigeon (Mareca penelope), also known as the widgeon or the wigeon, is one of three species of wigeon in the dabbling duck genus Mareca. 
The bird is common and widespread within its Palearctic range.

The name of the genus Mareca is from the Portuguese word Marreco for a small duck.
The epithet name penelope derives from Ancient Greek pene, "braid" and ops "appearance".