It has a black face and back, white underparts, and a thick orange bill. It breeds only on the Snares Islands; tracked adults moved west in winter.
The face, throat, and back are black, while the underparts are white. The thick orange bill has a pink base, and thin yellow plumes extend back from above the eyes.
During breeding, birds forage around the islands; adults tracked by researchers moved west in winter.
An extinction-risk assessment has not been added yet.