Mammals The dominant species are the mole, which was distributed evenly throughout the research area, and the wild boar, Korean hare, raccoon dog also inhabited around the Hwajinpoho. Also, it was confirmed that the fur seal visited the local shore regularly. The excretions of the otter, which is a rare wild animal under the dangers of extinction, was found in 2 places under the barbed wires of Orebawi area and 3 places at the Hwajinpo lakeside. The main food of the otter is fish, but according to the inhabitation conditions, animals other than fish was also preyed on.