serene pond scene common shelduck pair feeding exquisite detail and tranquil water reflections

common shelduck tadorna male female feeding upending pond aquatic birds tranquil scenery bird natural behavior reflections lush greenery serene habitat waterfowl biodiversity avian environment colorful plumage wildlife observation animal peaceful scene nature lovers conservation water duck pair birdwatching seasonal migratory 039 beauty upend setting closeup preservation ecological balance species world