Whooper swan (Cygnus cygnus) on water at sunrise, Sanmenxia, Henan ptovince, China

cygnus cygnus cygnus anserinae anatidae anseriformes aves tetrapoda vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota cygnus cygnus natural area river cloud autumn winter sunrise building (block) town adult group posing rest overview day morning whooper swan (cygnus cygnus) cygnus migratory species least concern (iucn) lc november wintering water surface henan province nobody yellow river nature natural areas ecosystem ecosystems rivers cloudy clouds cloudy sky fall (season) sunrises towns agglomeration agglomerations adults groups posed pose settlings settling siestas resting siesta rested restful make the siesta making the siesta being lazy be lazy overviews global sight global sights full length days daytime dawn daybreak daybreaks mornings day rise cockcrow whooper swans (cygnus cygnus) least concern species winterings water surfaces watersurface watersurfaces with nobody huang he huang he naturalness area body of water freshwater wetland area sky meteorological phenomenon atmosphere temperate season seasons sun space building habitat human settlement stage of development individual enumeration shot atmosphere (ambiance) twilight swan palmiped bird wild animal anserinae anatidae anseriformes aves tetrapoda vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota species particularity species low risk (iucn) lr iucn red list of threatened species behavior water (matter) matter (substance) china east asia far east asia world river