Mouse (Latin name: Muroidea, alias: mouse) is a rodent of Rodentia. Small in size, the body color is mainly gray and brown. The upper and lower jaws have a pair of incisors, most of which have no teeth. It matures sexually early, usually begins to reproduce a few months after birth, and can reproduce several times a year. It is distributed all over the world except Antarctica.

Mice are small, and their body colors are mainly gray and brown. The upper and lower jaws have a pair of incisors, most of which have no teeth. Mice have early sexual maturity and usually begin to reproduce a few months after birth. It can breed several times a year and give birth to about ten cubs at a time. Strong adaptability, wide distribution and many kinds.

According to statistics, there are about 480 species of rodents in the world and 34 species in China. Its main characteristics are that its body is conical, without canine teeth, there is a gap between incisors and premolars or molars, incisors are developed, rootless, life-long growth, and ordinary teeth are short.

Quick-moving, plant-based food, some omnivorous, a wide variety.

The mouse is a kind of rodent, and its size is large and small. There are many kinds of mice, there are more than 450 kinds in the world.

Mouse is one of the most primitive mammals in existence. They are energetic, numerous, extremely fast in reproduction and highly adaptable. They can eat almost anything and live anywhere. Rats can dig holes, climb trees and spread diseases such as plague, epidemic hemorrhagic fever and leptospirosis. However, mice provide countless experimental data of drugs.