โรคคอเหลืองทั่วไป, นกกระจิบ, นก, ธรรมชาติ, นิเวศวิทยา, ระบบนิเวศ, การอนุรักษ์, ป่า, บึง, ปลัก, สาขา
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ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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