Musk
The Mus musculus belongs to the silkworm, and its scientific name is Ondatra zibethicus. It is similar to a lemur or a paddock, but it is much bigger and has a body length of 15-40 cm and a tail length of 25 cm. It is covered with soft tawny hairs. The snout is long and pointed, the eyes are small, and the tail has long hairs. The body is suitable for living in the water. The tail with the scales is a long elliptical shape with a cross section up and down, so it is suitable for swimming and serves as a key for direction. There are many stiff hairs on the hind legs and serve as a webbing. It mainly eats underwater plants and it is beneficial for people to eat harmful insect, earthworm, A female lays three or more babies a year, and lays 1-11 birds. As a result, musk group of one area increases rapidly. The musk jura is named because it emits a musky smell similar to mating iron. The smell of musk is similar to the stench, and it prevents the approach of the enemy such as the cat, the snake.