The pygmy mouse is a small, nimble rodent found in several regions worldwide. This little creature has several synonyms that are used interchangeably, depending on the location. In some places, it is named the African pygmy mouse. In South America, it is called the southern pygmy mouse or the Brazilian pygmy mouse. The genus name for this animal is Mus, which includes other small species, such as the house mouse and the harvest mouse. Despite being small, pygmy mice have many predators, including snakes, birds of prey, and even domestic cats. However, these tiny animals have adapted and found ways to survive in many habitats and climates.