นก, นกวิทยา, ห่านหิมะ, สายพันธุ์, สัตว์, ปีก, การบิน, การโยกย้าย
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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