| 1 | Around 400 baiji were believed to be living in the Yangtze until the 1980s. | |
| 2 | One reason is that over-fishing has cut the dolphin's food sources. | |
| 3 | One reason is that over-fishing has cut the dolphin's food sources. | |
| 4 | Without urgent protection, China's finless porpoise may soon go the way of the Baiji. | |
| 5 | The rapid disappearance of this dolphin over the past two decades coincided with the rapid expansion of economic development along the river. |