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

arctic tern sterna paradisaea courtship fish delivery spitsbergen svalbard seaweed bird behavior mating ritual wildlife male female coastal breeding feeding natural habitat avian interaction norway remote island animal aquatic environment parenting seasonal ornithology beauty nature atmosphere migration terns ocean ecosystem rocky shore conservation biodiversity nesting wild tundra climate world sunny