Other Names: Hawaiian Goose
Distribution: Exclusively found in Hawaii.
Size: 56-71 cm in length.
Plumage: Adult males have a black head and back of the neck, buff cheeks and a heavily furrowed neck. The neck has black and white diagonal stripes. Females are smaller than males but similar in plumage. The adult's bill, eyes, and legs are black. Juveniles resemble the male, but are a duller brown and with less clear division between the head and neck, and the striping and barring patterns are reduced.