1760  The best musician of all the Canadian groves, is a sort of ortolan, the plumage of which is of an ash-colour on the back and white on the belly, whence it is called the white-bird. . . .
1959  Snow Bunting [is also called] white bird ("Labr.") . . . Oiseau blanc (White bird. Que.). . . .
2 a widely distributed ptarmigan, Lagopus lagopus albus.