Discover the fascinating world of Nelson's Spiny Pocket Mouse (<i>Perognathus nelsoni</i>), a nocturnal rodent thriving in the arid landscapes of the southwestern United States and northern Mexico. With its distinctive spiny fur and remarkable adaptability, this vulnerable species plays a crucial role in seed dispersal and maintains the ecological balance of desert ecosystems. Learn about its unique behavior, diet, and conservation efforts aimed at preserving this remarkable creature.