black-headed gull, chroicocephalus ridibundus, swimming with flamingos sleeping in the background

black-headed gull fly wings sunset ecosystem natural park hondo elche crevillent spain biodiversity flamingos chroicocephalus ridibundus fauna nature aquatic bird animal flying beak white lake lagoon wetland environment wildlife comunidad valenciana background beautiful birds feather flight freedom landscape natural outdoor seagull water wild wing sleep sleeping