This photo taken on May 10, 2023 shows a Yangtze alligator found by investigators during a survey at a Chinese alligator national nature reserve in east China's Anhui Province. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
This photo taken on May 11, 2023 shows a Yangtze alligator found by investigators during a survey at a Chinese alligator national nature reserve in east China's Anhui Province. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
This photo taken on May 10, 2023 shows a Yangtze alligator found by investigators during a survey at a Chinese alligator national nature reserve in east China's Anhui Province. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
Investigators converse as they conduct a survey at a Chinese alligator national nature reserve in east China's Anhui Province, May 9, 2023. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
This aerial photo taken on May 9, 2023 shows a view of a Chinese alligator national nature reserve in east China's Anhui Province. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
An investigator prepares before conducting a survey at a Chinese alligator national nature reserve in east China's Anhui Province, May 11, 2023. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua
Investigators conduct a survey at a Chinese alligator national nature reserve in east China's Anhui Province, May 9, 2023. The Yangtze alligator, which has lived on Earth for over 200 million years, is a first-class protected animal endemic to China. Photo: Xinhua