black-headed gull (chroicocephalus ridibundus) standing on a stone near water in sunlight.

wing wildlife white waterbird shorebird seabird gull flight bird beak animal black-headed gull chroicocephalus ridibundus seagull bird water coastal wild nature wildlife seabird standing close-up ornithology natural habitat migration watching avian species ocean sea river lake wetland calm serenity wings feathers beak ecology environment portrait