two bebeautiful black swan cygnus atratus swimming and one putting its beak on water

activity amazing animal atratus aves avian background beak beautiful bird birding birdwatching black blackswan calm color conservation cygnet cygnus dark eating ecology ecosystem elegant element environment exotic eye fauna feather feathering feet float fly fowl graceful group habitat head lakes motion move natural nature neck ornithology outdoor park plumage pond population rare red reserve ripples sanctuary species spread swan swimming tail tame tree tropical vegetation vertebrata vibrant wallpaper water waterbird waterfolw webbed wet wild wilderness wildlife wings zoo zoology