Black Guillemot

Cepphus grylle

Widespread, but uncommon residents in Northern Britain with 38,000 pairs, mainly in North Wales, Isle of Man & Scotland.

Also breeds in North West Europe & North America.

Rare in Winter.

Winters around British & European coasts.

They are known as Tysties in Shetland.

Breeding Adults are totally black except for a large white patch on the upper side of their wings, also their legs, feet and inside of the mouth are all a bright coral-red, and their beak is black.

In Winter, they their upper plumage become barred with light grey and white, their head is a pale grey, their underparts white, and legs and feet a pale red. 

Juveniles are duller than Adults.

The call is a high whistle.