Rhacophorus annamensis is a species of frog in the family Rhacophoridae found in the Annamite Mountains in Cambodia and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical moist montane forest, and rivers. It is threatened by habitat loss.[1] The females of this species are somewhat larger, at around 4inches. This frog is usually a light gray color, but can also be brown or a dark red color, and in some cases bright yellow.