Mute Swan (Cygnus olor) at sunset on the River Cuckmere at Exceat, near Eastbourne, in the South Downs National Park, United Kingdom

mute swan cygnus olor river cuckmere sunset eastbourne east sussex tranquil nature wildlife water reflection grass peaceful serene landscape colors evening riverbank avian ecosystem outdoors flora fauna migratory conservation scenic habitat birds elegance beauty twilight silhouette calm waters nesting aquatic