swan group on a lake full of duckweed in black and white backlit

anatidae animal anseriformes anserinae aquatic backlight backlit beautiful beautifulnature bird birds black calm contemplative contrast covered cygnini cygnus duckweed eating elegant full gooseneck graceful group high idyll lake large light looks mute nature peaceful peacefulpicture picture plain plumage pond quiet quietscene rural surrounded swan swans swimming swims tranquility water while white