In this undated photo, a twin slug snake rests on a leaf. The twin slug snake is among 224 new species listed in the World Wildlife Fund's latest update on the Mekong region. The conservation group's report released Wednesday, January 26, 2022, highlights the need to protect the rich biodiversity and habitats in the region, which includes Vietnam, Cambodia, Laos, Thailand and Myanmar. (Photo by World Wildlife Foundation via AP Photo)
