Professor Sung Yik-hei with a Big-headed turtle at a lab at Lingnan University in Hong Kong on April 13, 2023.
Professor Sung Yik-hei with a Big-headed turtle at a lab at Lingnan University in Hong Kong on April 13, 2023.
Noemi Cassanelli/CNN
The Golden coin turtle, once used in turtle jelly but now in demand as an exotic pet. In extreme cases, they can fetch hundreds of thousands of US dollars.
The Golden coin turtle, once used in turtle jelly but now in demand as an exotic pet. In extreme cases, they can fetch hundreds of thousands of US dollars.
Courtesy Sung Yik-hei
Professor Sung Yik-hei monitors an area near a river in Hong Kong on April 13, 2023.
Professor Sung Yik-hei monitors an area near a river in Hong Kong on April 13, 2023.
Noemi Cassanelli/CNN
Professor Sung Yik-hei checks a surveillance camera fixed on a tree in Hong Kong on April 13, 2023.
Professor Sung Yik-hei checks a surveillance camera fixed on a tree in Hong Kong on April 13, 2023.
Noemi Cassanelli/CNN
A surveillance camera fixed on a tree is seen in Hong Kong on April 13, 2023.
A surveillance camera fixed on a tree is seen in Hong Kong on April 13, 2023.
Noemi Cassanelli/CNN
A suspected poacher caught on one of Professor Sung Yik-hei's surveillance cameras.
A suspected poacher caught on one of Professor Sung Yik-hei's surveillance cameras.
Courtesy Sung Yik-hei