![GREATER MEKONG REGION-WWF-NEW SPECIES](http://www.xinhuanet.com//english/photo/2016-12/19/135917303_14821576615601n.jpg)
Photo released by the World Wildlife Fund (WWF) on Dec. 19, 2016 shows a new species of frog in Cambodia and Vietnam. A rainbow-headed snake, a dragon-like lizard, a newt and a tiny frog are just four of the 163 new species discovered in the Greater Mekong region last year, the WWF said in a statement Monday. (Xinhua/Jodi Rowley at WWF)