noun
Eurasian wigeon
A migratory duck species found across Eurasia; the name is used in ornithological and everyday contexts.
冬になると、緋鳥鴨が湖にやってくる。
In winter, Eurasian wigeons come to the lake.
The name 緋鳥鴨 (ひどりがも) literally means 'scarlet bird duck', likely referring to the reddish-brown head of the male. The exact derivation is uncertain.