This video includes Chinese River Dolphin pictures with an informative audio in the background which tells us about the regrettable experience that this beautiful species went through that led them to the final extinction stage or even worse, the total extinction. The man tried to save this dolphin species by keeping them in captivity, however, the specimens died soon and failed to leave offspring, so there are no Baiji dolphins in conservation, which means that it is another species which has been taken to extinction by man.