นก, ห่าน, นกวิทยา, ห่านป่า, นกน้ำ, ธรรมชาติ, สายพันธุ์, สัตว์, จะงอยปาก, ขน, บ่อน้ำ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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