Adult arctic tern (Sterna paradisaea) male bringing female a fish, Spitsbergen Island in the Svalbard Archipelago, Norway

arctic tern sterna paradisaea male female fish courtship spitsbergen island svalbard norway seabird wildlife nature behavior bonding feeding shore rocky shoreline ocean interaction mating habitat avian birdwatching natural setting environment coast flying delivery sea breeding mate display ecology spring season outdoor conservation animal wild flight waters ecosystem plumage preservation fauna