Teisten

Teisten refers to a common name for certain seabirds belonging to the auk family (Alcidae). Specifically, the name most often refers to the Black Guillemot (Cepphus grylle).

Black Guillemot ( Cepphus grylle ): This medium-sized seabird is characterized by its black plumage in breeding season, with distinctive white wing patches. In winter, its plumage becomes mottled grey and white. Black Guillemots are found in the Arctic and North Atlantic regions, nesting in rocky crevices, cliffs, and even man-made structures along the coast. They feed primarily on fish and crustaceans, which they dive for in shallow waters. The species is well-adapted to cold environments and is an important part of the marine ecosystem in its range. Other common names for this bird include Tystie and Sea Pigeon.

The name "Teisten" is frequently used in Scandinavian languages and regions.