long-tailed duck peacefully floats on tranquil water, its elegant white-and-black feathers standing out in serene

duck bird water wildlife plumage white black floating nature aquatic animal serene tranquil isolated beautiful elegant species avian feathers habitat migration waterfowl ornamental coastal swimming marsh wetland environment grace natural performance peaceful behavior ornithology cute curious beauty conservation biodiversity feather pattern birdwatching life surface endangered lovers kingdom observers delight elegance ai generated