lophodytes cucullatus

English Thesaurus

1. small North American duck with a high circular crest on the male's head (noun.animal)

hypernym	:	fish duck, merganser, sawbill, sheldrake,
definition	:	large crested fish-eating diving duck having a slender hooked bill with serrated edges (noun.animal)

member meronym	:	genus lophodytes, lophodytes,
definition	:	a genus of Merginae (noun.animal)