Mouse are small rodents. Who speaks of a mouse, usually means the house mouse. In fact, there are almost 40 different species of mouse. Originally, mice lived in Europe, Africa and parts of Asia. However, humans have also taken them to America, Australia and many islands.
Mouse are small, only about five to twelve centimeters long. The tail is almost as long again. Mouse weight is between twelve and 35 grams. So, depending on the species, it takes three to eight mouse to weigh one bar of chocolate. Mouse fur is gray to brown. This camouflages them well in nature.