[snow goose] n (1771): a wild goose (Anser caerulescens syn. Chen caerulescens) that has a pinkish bill and exists either as a white form with black primaries or as a grayish black form with a white head
SNOW GOOSE
Meaning of SNOW GOOSE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012