close-up of adult, breeding male mallard or wild duck anas platyrhynchos with a glossy bottle-green head and a white collar and

adult anas animal autumn beautiful beauty bird birdwatching bottlegreen breeding closeup collar colorful colors dabbing detailed distinct duck environment fauna feathers glossy green iridescent lake leaves male mallard nature ornithology outdoors parks platyrhynchos portrait purpleblue river shiny speculum sun sunlight vibrant vivid water white wild wildlife