Annam tree frog (Hyla simplex), also known as the South China tree toad, is a species of frog in the family Hylidae. It is found in southern China, Vietnam, and Laos. The Hainan tree toad (H. s. hainanensis) from Hainan Island is treated as a subspecies. Male Annam tree frogs grow to a snout–vent length of about and females to . Tadpoles are up to in length. Annam tree frogs are a common, arboreal species living in montane areas, including fields, bamboo forests and shrubland. Breeding takes place in rice paddies and in permanent pools. It is potentially threatened by habitat degradation. References Hyla Frogs of China Amphibians of Laos Amphibians of Vietnam Amphibians described in 1901 Taxa named by Oskar Boettger Taxonomy articles created by Polbot