Mentions of the critically endangered Yangtze finless porpoise in ancient Chinese poetry have revealed missing information about the habitat of the world’s only freshwater porpoise

Ancient Chinese poems provided insights into the decline of the critically endangered Yangtze River's finless porpoise. A team of scientists analyzed over 700 poems dating back to 618 CE to trace how the habitat range of the porpoise changed over the past 1,

Researchers looked at poetry dating as far back as the Tang dynasty to find that the Yangtze finless porpoise’s range has decreased by 65 percent