นก, เป็ดน้ำ, นกวิทยา, เป็ด, แม่น้ำ, สายพันธุ์, สัตว์, ธรรมชาติ, ที่อยู่อาศัย, ทะเลสาป, นกน้ำ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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