A Yangtze River finless porpoise with a calf on its back seen at Poyang Lake nature reserve on Jan. 17, 2019. The nature reserve staff found 14 Yangtze River finless porpoises in four groups during an inspection. Classified as a first-class protected animal in China, the Yangtze River finless porpoise is known as the "panda in the water" due to its rarity. (Photo: China News Service/Shu Guolei)
A Yangtze River finless porpoise with a calf on its back seen at Poyang Lake nature reserve on Jan. 17, 2019. The nature reserve staff found 14 Yangtze River finless porpoises in four groups during an inspection. Classified as a first-class protected animal in China, the Yangtze River finless porpoise is known as the "panda in the water" due to its rarity. (Photo: China News Service/Shu Guolei)
A Yangtze River finless porpoise with a calf on its back seen at Poyang Lake nature reserve on Jan. 17, 2019. The nature reserve staff found 14 Yangtze River finless porpoises in four groups during an inspection. Classified as a first-class protected animal in China, the Yangtze River finless porpoise is known as the "panda in the water" due to its rarity. (Photo: China News Service/Shu Guolei)