1. The Yangtze River dolphin, or Baiji Yangtze River Dolphin, a species of freshwater dolphin species live only in the Yangtze River in 2007 was classified as an endangered species found only in the third, while the threat from fishing since. 1986, the government tried to establish Nature Reserves Five of the Yangtze River and the middle sheet. To protect dolphin species and other species as well.