Common guillemot (Uria aalge) nesting on Bear Island (Bjornoya) in the Svalbard Archipelago, Norway, Arctic, Europe

common guillemot uria aalge bear island svalbard archipelago norway arctic breeding season nesting cliffs birds wildlife marine life coastal habitat european wildlife seabirds avian behavior natural habitat conservation ocean ecosystem wildlife observation birdwatching migratory birds rocky shoreline nesting colonies bird habitats arctic species natural landscapes remote islands animal behavior bird species north atlantic biodiversity colony nesting behavior bird migration coastal cliffs seasonal nesting arctic summer nature animal migration endangered species cliff dwellers ecological diversity coastal ecosystems cold climate wildlife research population studies migratory patterns natural beauty