A goose with white and blue color forms. North American flocks gather in fields and wetlands during migration and winter.
Adult white-morph birds have white bodies and black wingtips. Blue-morph birds have dark bodies and white heads. Both have pink bills.
North American populations form large flocks during migration and winter, digging for roots and tubers in fields and wetlands. They breed on Arctic tundra.
An extinction-risk assessment has not been added yet.