white beijing duck is swimming on the surface of pond in the park. duck is drinking water in a process. this is one of the most

animal avian background beak beautiful bird blue city colorful drake drink droppings duck duckweed dung environment fauna feather food greenhead grey lake mallard manure native nature orange ornithology park photography photographywater plumage pond reflection rest river species spring summer sunlight swim tail waterbird waterfowl white wildlife wood