The rat is one of the most adaptable animals on the planet, capable of surviving in almost any environment where there is food and shelter. Intelligent, agile and extremely fast breeding, it has accompanied humans for centuries, living in cities, rural areas and sewer systems. Your ability to learn and spatial memory is amazing, making it difficult to control.At the same time, the rat symbolizes anambiguous relationship with humanity It is seen as a plague for transmitting diseases and causing harm, but it is also fundamental to science, being widely used in medical and biological research.