Discover the fascinating world of the Olive-backed Pocket Mouse (*Perognathus merriami*), a resilient rodent thriving in the arid landscapes of the southwestern United States and northern Mexico. With its unique adaptations for survival, nocturnal habits, and essential role in the ecosystem as a seed disperser, this small mammal showcases the intricate balance of desert life. Learn about its habitat, physical characteristics, and the conservation efforts needed to protect this remarkable species.