A large gull seen along the coast of South Australia. It searches the intertidal zone for shellfish and crustaceans; shell-dropping has also been recorded there.
Adults have a white head and body, dark gray back and wings, and a heavy yellow-orange bill with a red tip.
Along the South Australian coast it feeds on shellfish and crustaceans in the intertidal zone. It may lift shellfish in its bill and drop them onto a hard surface to crack them.
An extinction-risk assessment has not been added yet.