1902  Canadian and wavy geese by the tens of thousands made the stubble fields their feeding ground. . . .
1955  [I saw] Four Wavey geese, or greater snow geese, in Ike Mill's pasture.
1965  April in the Cree dialect of this area is Niskapesim, goose month. That means Canada geese; and September is Wawaypesim, wavy goose moon ("wavy" being English-Cree slang for blue and snowy goose).