A species of Goose (Anser segetum): see quotation.
1766. Pennant, Zool. (1812), II. 234. Called the bean goose, from the likeness of the nail of the bill to a horse bean.
1864. [H. W. Wheelwright], Spring Lapl., 145. In Lapland bean, and white-fronted geese, flock in hundreds.