The Collaborative International Dictionary
Charitonetta albeola
Buffel duck \Buf"fel duck\ (b[u^]f"f[e^]l d[u^]k`). [See Buffalo.] (Zo["o]l.) A small duck ( Charitonetta albeola); the spirit duck, or butterball. The head of the male is covered with numerous elongated feathers, and thus appears large. Called also bufflehead.