How many Yangtze river dolphins are there in the world?

As of 2020, it is estimated that there are less than 1,000 Yangtze river dolphins left in the world. These freshwater dolphins are critically endangered and one of the most endangered river dolphins in the world. The Yangtze river dolphin is found only in the Yangtze River in China and faces threats such as habitat loss, water pollution, fishing and direct huntin