Bean-Goose

The bean-goose (Anser segetum) is a species of wild goose, a migratory bird which arrives in Britain in autumn and retires to the north in the end of April, though some few remain to breed. Being rather less than the common wild goose, it is sometimes called the small grey goose.
Found on http://www.probertencyclopaedia.com/browse/BB.HTM
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