Hanne & Jens Eriksen / Black guillemot (Cepphus grylle) taking off, Denmark, May

Wild Wonders of Europe / Liodden / Black guillemot (Cepphus grylle) in flight over water, Spitsbergen, Svalbard, March 2009

Wild Wonders of Europe / Liodden / Black guillemot (Cepphus grylle) diving into water, Spitsbergen, Svalbard, March 2009

Roger Powell / Black Guillemot {Cepphus grylle} with Sandeel fish in beak trying to entice a female to his nest site, Caithness, Scotland, UK

Andrew Parkinson / Black guillemot (Cepphus grylle) with a fish in its beak, evening light, Shetland Islands, Scotland, UK, July

Andy Rouse / Black guillemot (Cepphus grylle) at sunset on water, Svalbard, Norway, July.

SCOTLAND: The Big Picture / Back guillemots (Cepphus grylle) interacting on a rock, Shetland, Scotland, UK, April.

SCOTLAND: The Big Picture / Black guillmots (Cepphus grylle) interacting and chasing one another, Shetland, Scotland, UK, April.

SCOTLAND: The Big Picture / Black guillmot (Cepphus grylle) chasing another black guillemot with fish, Shetland, Scotland, UK, August.

Markus Varesvuo / Black guillemot (Cepphus grylle) with beak wide open. Shetland, Scotland, UK. July.

Markus Varesvuo / Black guillemot (Cepphus grylle) with fish in beak, portrait. Shetland, Scotland, UK. July.

Philippe Clement / Black guillemot / tystie (Cepphus grylle) resting on rock ledge in sea cliff, Shetland Islands, Scotland, UK, June