The mangrove forest in Shankou is found in Hepu County, Beihai City. It is connected to the sea and grows in pieces. It is a representation of the mangrove forests in China. There is plenty of light and the sea water is almost pollution-free. There are mangrove plants such as red sage, linden, and tung tree growing in the forest. There are many marine animals such as fiddler crab and barracuda in the waters of the forest. The forest is a bird paradise, inhabited by tree owls, cranes and other birds.