This skilled diver pursues fish in the Pacific waters of North America. In breeding plumage it shows a blue throat patch and wispy white head feathers.
The body is mostly black. During the breeding season, a vivid blue patch appears on the throat along with wispy white feathers on the head.
It dives in marine waters and estuaries to catch fish and shellfish. It can forage in large flocks and nests in colonies on coastal cliffs.
An extinction-risk assessment has not been added yet.