Introduction to the nature reserve: 13 species of zooplankton, 23 species of benthic animals, 25 species of amphibians and reptiles, and 62 species of fish have been found in the reserve. There are 260 species of vertebrates, including 17 species of mammals, 145 species of birds, and more than 80 species of various waterbirds. Among them, 10 species meet the 1% population standard of internationally important wetlands.