snow bunting

noun
1.
a bunting, Plectrophenax nivalis, of the northern parts of the Northern Hemisphere having white plumage.
Also called snowbird, snowflake.
Origin
1765-75
British Dictionary definitions for snow bunting

snow bunting

noun
1.
a bunting, Plectrophenax nivalis, of northern and arctic regions, having a white plumage with dark markings on the wings, back, and tail