ธรรมชาติ, นก, การบิน, ห่าน, นกวิทยา, สายพันธุ์, สัตว์, น้ำ, สัตว์ในป่า, จะงอยปาก, ขน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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