Canada Banner (scientific name: Branta canadensis) for the duck family of black goose birds. Medium size, is a typical cold-water marine birds, cold-resistant, hi habitat in the bay, seaports and estuaries and other places. Flight sometimes slashed flight, sometimes "V" shape, very irregular. Mainly in grass or aquatic plants buds, leaves, stems and other food, but also eat roots and plant seeds, winter wheat seedlings and sometimes eat seedlings such as crops. Migration is often integrated large groups, flying during the day, the evening landed in lakes and other waters rest and foraging, often issued a high call, very noisy.