Plectrophenax nivalis -- bruant des neiges; Snow Bunting. Alternate name on piece: Plectrophanes nivalis [Snow-bunting, or snowflake] Drawing on tissue. Extensively changed for publication: head of nale bird moved, young bird in foreground moved to background, 2 nestlings omitted, background developed. Artist's name(s): Gould, John; Richter, Henry Constantine.