![A snow petrel and its chick are seen near the Zhongshan Station, a Chinese research base in Antarctica, Jan. 14, 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/Liu Shiping)](http://www.ecns.cn/hd/2019/02/14/d63960a13efd4d47856308777d4ab407.jpg)
A snow petrel and its chick are seen near the Zhongshan Station, a Chinese research base in Antarctica, Jan. 14, 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/Liu Shiping)
![A snow petrel and its chick are seen near the Zhongshan Station, a Chinese research base in Antarctica, Jan. 14, 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/Liu Shiping)](http://www.ecns.cn/hd/2019/02/14/95d7d205bdd2481388283672cad3d3d7.jpg)
A snow petrel and its chick are seen near the Zhongshan Station, a Chinese research base in Antarctica, Jan. 14, 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/Liu Shiping)
![Zhang Zhengwang, a professor from Beijing Normal University and a member on China\'s 35th research mission in Antarctica, monitors on snow petrels near the Zhongshan Station, a Chinese research base in Antarctica, on Feb. 11, 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/Liu Shiping)](http://www.ecns.cn/hd/2019/02/14/a669c79f53dc4160a7f0a2c165c9533e.jpg)
Zhang Zhengwang, a professor from Beijing Normal University and a member on China's 35th research mission in Antarctica, monitors on snow petrels near the Zhongshan Station, a Chinese research base in Antarctica, on Feb. 11, 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/Liu Shiping)
![A snow petrel chick is seen near the Zhongshan Station, a Chinese research base in Antarctica, Feb. 11, 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/Liu Shiping)](http://www.ecns.cn/hd/2019/02/14/0e2e0db89c0c4236952cd940a13afefe.jpg)
A snow petrel chick is seen near the Zhongshan Station, a Chinese research base in Antarctica, Feb. 11, 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/Liu Shiping)
![Snow petrels are seen near the Zhongshan Station, a Chinese research base in Antarctica, Dec. 11, 2018. 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/Liu Shiping)](http://www.ecns.cn/hd/2019/02/14/91515123481d40288379300c4a5fd849.jpg)
Snow petrels are seen near the Zhongshan Station, a Chinese research base in Antarctica, Dec. 11, 2018. 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/Liu Shiping)
![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)](http://www.ecns.cn/hd/2019/02/14/cce9efaac09c471a8d5f762c5fb2c008.jpg)
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)