Black Guillemots nesting
Cepphus grylle

f13 @ 1/640s, ISO:2500, Nikon D3S w 500mm and 1.4X tele-converter

"Black Guillemot," Wikipedia, the free encyclopedia.Their breeding habitat is rocky shores, cliffs and islands on northern Atlantic coasts in eastern North America as far south as Maine, and in western Europe as far south as Ireland. They are one of the few birds to breed on Surtsey, Iceland a new volcanic island.
Rauounupar, Iceland