Aerial top down view of white storks on Santona marshland scenery, Ascending shot

aerial view topdown white stork birds storks marshland santona wildlife outdoors marshes scene spain low tide estuary ecosystem biosphere birdwatching sanctuary coastline ornithology marismas de santona idyllic habitat environment ascending shot colindres nature natural river protected area scenery tide reserve peaceful marsh natural park wetland wilderness vegetation swamp seashore waterbird environmental