Canada Goose

(species Branta canadensis), a brown-backed, light-breasted goose with black head and neck and white cheeks that flash when the bird shakes its head before taking wing. It belongs to the family Anatidae (order Anseriformes). The subspecies vary greatly in size, from 1.3 kg (3 pounds) in the cackling goose (B. canadensis minima), to about 8 kg (20 pounds)