The term "pouched mouse" refers to a small rodent that belongs to the family Heteromyidae. These creatures are commonly found in arid regions of North and Central America. Synonyms for the term include kangaroo rat, sand rat, and desert rat. Kangaroo rat refers to the pouched mouse's ability to jump like a kangaroo, while sand rat and desert rat emphasize the rodent's preferred habitat. The term pouched mouse is often used interchangeably with other related species such as pocket mice and spiny mice. These rodents have unique adaptations that allow them to thrive in harsh desert environments, such as specialized kidneys that minimize water loss and distinctive feet with hairy soles that help them navigate sandy terrain.