In breeding plumage, this seabird stands out for white spectacles on its face and red legs. It nests in cliff crevices and dives for fish.
Breeding plumage is sooty black overall, with white spectacle-like markings around the eyes. The legs are red; in winter plumage the belly is white.
It dives in coastal waters for fish such as sand lance. It nests in holes and crevices on sea cliffs and usually lays two eggs.
An extinction-risk assessment has not been added yet.