Identification: Size 65-85 cm. Wingspan: 58-59 inches. Sexes similar. Medium-sized long-necked goose. Different color morphs. Frequently gathers in huge flocks.

White morph: Entirely white plumage. Black primaries. Pink legs and feet. Pink bill with black patch along mandibles. Sometimes has orange stains on head. Blue morph: White head and upper neck. Dark lower neck and body-some have white bellies. Pale gray wing upperwing coverts. Scapulars dark-centered with white edges. Mostly dark primaries and secondaries. Pink legs and feet. Pink bill with black patch along mandibles.