The Reptiles can be found around the Sun Moon Lake Bike Routes which are located at mid-low sea level where it is warm and humid. This appropriate weather and complicated geographical environment altogether provides the reptiles a habitat full of variety. In wildwood, the reptiles are rich in quantity and category, and the frequently seen reptiles in this area are lizards and snakes. Most lizards eat the little insects for sustenance while the snakes hunt frogs, mice, or other tiny animals as food. People used to worship the dinosaurs without any reasons, but on the contrary, they subjectively presumed other reptiles as evil and mean. This fear actually results from ignorance. In fact the existing reptiles nowadays are all distinctive relatives of the dinosaurs. Poisonous snakes are also high evaluated for academic study value, because many important structures of nerve cells have been found in Taiwan during research on the venom's effects. Their great contribution in neurophysiology can't be ignored. Maybe getting acquainted with snakes can be seen as a positive strategy in avoiding being attacked by them. Never enter unmanned forest or brushwood is one of the basic principles to not getting attacked. If you are forced to enter the woods, wearing long rain boots can be an effective way to not getting attacked. If you are bitten, go to the nearest hospital as soon as possible. There is always serum prepared to detoxify the venom. By carefully observing the reptiles in the forest, you will be surprised and amazed.
Common Name：Luo Tie Tou.
Distribution：Preserved, frequently seen in plains to 2000-meter-elevation mountains, its main habitats are farmlands, orchards, riversides, and woods.
Shapes and Features：Thin neck, big and distinctly triangular head, its dorsum is yellowish brown or brown in color and there are rows of black spots in irregular shapes. Medium-scaled viper, 26 to 27 columns of elytra, it has the biggest venom fangs. The maximum body length is less than 1.5 meters long.
Habitual Behavior：One of five main local vipers, it mostly acts at night. Oviparous, it takes small-scaled animals like rodents, birds, and amphibians as main food. Some individuals in this species are more aggressive, they attack on swaying shadows. The number of people attacked by it is close to the amount attacked by the green bamboo viper. It likes to shelter in abandoned houses or garbages, sometimes it would intrude into classrooms in the suburbs.
Common Names：Jiao Wei Ba, Chi Wei Tai.
Distribution：Preserved and frequently seen in plains to 2000-meter-elevation mountains, its main habitats are farmlands, riversides, bamboo woods, and primitive forests.
Poisonous Level：One of five main local vipers, hemorrhagic. Shapes and Features：The maximum body length is about 90 centimeters long. In females, there is a white, thin longitudinal line on the joint between body and abdomen; in males under that white line there is a red one close to it.
Habitual Behavior：It is the largest species among the five main local vipers. Aggressively offensive, it often occupies the branches. With its camouflage color, it is not easily observed. The number of victims bitten by it is the largest in Taiwan, but it is not lethal.