ChineseRiverDolphin is a specific species of rare and valuable animal in the Changjiang drainage area.
白鳍豚是我国长江流域特有的珍稀动物。
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In the past few decades, several animal species have been labeled extinct, including the Chinese paddlefish, Yangtze Riverdolphin, Pyrenean ibex and western black rhinoceros.
在过去的几十年里，一些动物都被打上了物种灭绝的标签，包括中华鲟、白鳍豚、比利牛斯山羊和西方黑犀牛。
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Chinese scientists said they will continue to search for the rare white-flag dolphin although it is possibly extinct as a 38-day search failed to find any in the Yangtze River.