snowbird

A bird, Junco hyemalis, the dark-eyed junco.

A migratory bird seen primarily in the winter time.

A person, usually one who is retired, who travels from a cold climate to a warmer one in the winter; one who overwinters elsewhere.

候鸟

One who enlists in fall to desert after winter.

Someone who uses cocaine illicitly.

The snow bunting (Plectrophenax nivalis).