Black Guillemot (Cepphus grylle) circling in a paring/mating ritual in the middle of Oban Bay with boats in the background. Black Guillemots nest in drains and holes in the sea wall in the middle of Oban town centre. Argyll, Scotland, UK

action adult bay black guillemot blue waters cepphus grylle city close up courtship emerging europe landscape view low angle view marine mating oban ocean pair ports ritual running scotland sea shallow waters swimming two animals uk united kingdom urban water sealife sea life