rats, landmines and tuberculosis
Colorblind, sociable, strong, smart, fast (from meetup to hookup to breakup lasts two seconds), a rat can go longer than a camel without water and fall 15 meters without being injured. Rats have the most developed olfaction of all mammals.
In Western cultures, rats stand for dishonesty and cunning, but in Eastern cultures, rats are associated with honesty, hard work, intelligence and good luck. Rats are very clean. In Eastern spirituality, the Year of the Rat is the first year of the Chinese zodiac.