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Jeffreycfy: Mongolicus Gull
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Jeffreycfy: Mongolicus Gull
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Jeffreycfy: Mongolicus Gull (first year winter plumage)
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Jeffreycfy: Mongolicus Gull (second year winter plumage)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)
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Jeffreycfy: Mongolian Gull (first year winter plumage) 蒙古銀鷗 黃腿鷗 黃腳銀鷗 (首年冬季羽)
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Jeffreycfy: Mongolian Gull (second year winter plumage) 蒙古銀鷗 黃腿鷗 黃腳銀鷗 （首年冬季羽)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)
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Jeffreycfy: Mongolian Gull 蒙古銀鷗 (黃腿鷗、黃腳銀鷗)