Black-webbed Tree Frog

Wallace's flying frog, also known as the gliding frog or the Abah River flying frog, is a moss frog found at least from the Malay Peninsula into western Indonesia and southern Thailand, and present in Borneo and Sumatra. It is named for the biologist Alfred R. Wallace, who collected the first known specimen, and is photogenic because of its large size (Wikipedia, general species account).