Mute Swan and young on water, Danube Delta Romania

action actions adult adults afrasia afro eurasia atmosphere babies baby bird birds bog bogs brackish water brackish waters brood (eggs) broods (eggs) clutch clutches continent continental area count counting cygnet cygnets danube danube delta biosphere reserve delta deltas description descriptions down downs ecosystem ecosystems enumeration enumerations eurafrasia eurasia europe families family female females follow followed follow up follow ups freshwater freshwater swamp fresh water swamp freshwater swamps fresh water swamps freshwater wetland area freshwater wetland areas freshwater wetland zone freshwater wetland zones freshwaters full length general morphologies general morphology global sight global sights image and subject individual individuals iucn iucn red list of threatened species iucn status juvenile juvenile coat juvenile coats juvenile liveries juvenile livery juvenile plumage juvenile plumages juveniles landmass landmasses least concern (iucn) lc least concern species light effect light effects lighting effect lighting effects liveries livery living organism living organisms localisation localization location low risk (iucn) lr matter (substance) matters (substance) may mirror image month of year months of year morphologies morphologies (zoology) morphology morphology (zoology) motion motions mute swan (cygnus olor) mute swans (cygnus olor) natural area natural areas nature old world organism organisms overview overviews palmiped palmipeds profile shot profile shots profile sight profile sights profile view profile views pubescence pubescences pubescent pubescents recording recordings reflected reflecting reflection reflections romania rumania seasons shoting shotings side view smalls species spring stage of development swan swans swim swimming swimming (action) temperate season temperate seasons texture textures time scale time scales tomenteuse tomenteuses tomenteux uicn water (matter) water surface water surfaces waters (matter) watersurface watersurfaces wild animal wild animals wild fauna wild faunae world river world rivers world's largest rivers young youngs