noun
gadwall
A species of dabbling duck (Mareca strepera, formerly Anas strepera). Common in field guides and ornithological contexts.
オカヨシガモは北半球の温帯で繁殖するカモの一種です。
The gadwall is a species of duck that breeds in temperate regions of the Northern Hemisphere.
The Japanese name オカヨシガモ literally means 'hill reed duck', likely referring to its habitat preferences. The exact derivation is uncertain.