LongLuan Lake is located in the southwest corner of Hengchun Township. The lake surface is wide and the full water area is almost 175 hectares. The lake water is deep and average depth is 3.5 meters. LongLuan Lake is an important facility of irrigation and also the largest inland lake on Hengchun Peninsula. Since there are many fish farms, grasslands, farms, ponds and bushes around the lake, it becomes a natural environment where various creatures lives and further becomes an important habitat of bird clusters.LongLuan Lake exactly is located on the route of migratory birds. Every autumn and winter, naturally, there are groups of migratory birds stopping here. In the period, besides moorhens, little egrets, cattlee grets and Taiwan bulbuls, rare guests including tufted ducks, spot-billed ducks, brown shrikes, the Anatidae family of birds, mallards, Chinese goshawks and the Family Laridae of birds numerously show up like intending an annual carnival. In a sudden, the quiet LongLuan Lake becomes lively just like a happy paradise of wild birds.For this precious scene, a natural center was established in the western coast of LongLuan Lake, which is the first exhibition hall of birds’ ecology in Taiwan. It provides dynamic observation of birds’ activities, static pictures, specimens, films and presentations to understand the routes of migratory birds, the meanings and process of birds’ breeding, the interactions between birds and human and the effects of environmental change on birds like offering tourists a complete bird ecology lesson.LongLuan Lake is also the habitat of special plants. Since the diversity of plants in the area is high and there are many rare species, in order to avoid the decrease crisis of plants that climate or human activities causes, LongLuan Lake Ecological Garden is particularly established. According to growing environment and purposes, the garden is divided into nine main sections including areas of rare pants, bird induced plants, butterfl