Black Guillemot (Cepphus grylle) calling while sitting in a wall that a pair are nesting in. Black Guillemots nest in drains and holes in the sea wall in the middle of Oban town centre. Argyll Scotland, UK

adult beak open black guillemot calling cepphus grylle nest nesting oban bay rocks scotland one animal lone single uk united kingdom urban wall guillemot sea wall argyll sea bird seabird