Body is small and tender, 2 to 3.5 inches; tail is 3-4 inches long, semi naked and longer then the head and the body combined. Relatively large ears for its size. Eyes are small in proportion to the body.
The young mouse can be sexually mature and capable of mating in as little as 5 weeks. The female can still be lactating her young and be pregnant with the new litter, although the gestation period might be slightly longer. A female will have an average of 8 litters per year with each litter averaging 5-6 pups. Mice live approximately 1 year.
Worldwide
Rodents spread a wide variety of serious diseases such as Salmonellosis, Plague, Laptospirosis, Hantaviruses and rickettsial pox. They also carry fleas and other parisites to the building. They consume and contaminate a significant percentage of world food supply every year besides causing extensive economic damage by gnawing on structures and wiring, causing fires.