Discover the intriguing world of **Nelson's Coarse-haired Pocket Mouse** (*Perognathus nelsoni*), a fascinating nocturnal rodent native to the arid deserts of the southwestern United States and northwestern Mexico. Known for its distinctive cheek pouches and remarkable burrowing abilities, this vulnerable species plays a critical role in its ecosystem as a seed disperser and a food source for predators. Explore its unique adaptations, behavior, and the conservation challenges it faces in a rapidly changing environment.