group of swans that swim across the river crouch from hullbridge to burnham on crouch, essex

animal beak beating beautiful bird burnham cob conservation crouch cygnet cygnets cygnus elegance elegant environment essex family feather female graceful hullbridge immature isolated lake livestock long majestic mute nature neck nobody olor outdoors plumage pond reflection river splash stretching swan water waterbird waterfowl wildlife wing wings