[ring-necked duck] n (1831): an American scaup duck (Aythya collaris) that has a white ring around the bill and in the male a faint narrow chestnut ring encircling the neck
RING-NECKED DUCK
Meaning of RING-NECKED DUCK in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012