Infrared cameras used by Chinese researchers to monitor Antarctica's snow petrel

Photo taken by infrared camera shows a snow petrel near the Zhongshan Station, a Chinese research base in Antarctica, Jan. 28, 2019. Chinese researchers have begun using infrared cameras to monitor Antarctica's snow petrel, a key indicator species of the local marine ecosystem. This is the first time Chinese researchers in Antarctica have used infrared cameras in bird monitoring. (Xinhua/Zhang Zhengwang)