Male Kelp Geese are white, while females are dark with bold white bars. They live on rocky marine shores and feed mainly on seaweed.
Adult males are all white, with yellow legs and a black bill marked pink at the base. Females are dark brown-black with broad white bars across the breast, flanks, and front belly; the rear belly and lower back are white.
It lives on rocky marine shores and islets, feeding mainly on algae and also on some grasses. Pairs and family groups are reported; in winter it may gather in small groups.
An extinction-risk assessment has not been added yet.