couple of the goosanders (mergus merganser) swimming in water

animal bird europe mergus merganser wildlife aquatic beak beautiful birdwatching black brown coast common contrast couple creature eurasian fauna feather feathers female fish gloss goosander gray green grey habitat isidescent lake male nature ornithology outdoors plumage pond river seaduck spring swimming water waterfowl wave white wild wilderness wind windy winter wintertime goosanders water body head iridescent rump tail grey chin