Foreign experts have already concluded that the baiji, or white-flag dolphin, is extinct, becoming a victim of development, overfishing and shipping along China’s longest river. …

“The 3,400 kilometre (2,125 miles) expedition only covered the main section of the Yangtze River and the scientists only searched for the dolphins eight hours a day, which means some dolphins might have been missed,” said Wei Zhuo, an engineer from the hydrobiology institute, according to the Xinhua report. … Read the full story.