Discover the intriguing world of **Nelson's Small-eared Shrew** (*Notiosorex nelsoni*), a unique insectivorous mammal native to the arid regions of the southwestern United States and Mexico. With its distinctive small ears and nocturnal habits, this shrew plays a vital role in controlling insect populations while facing threats from habitat loss. Learn about its fascinating behavior, diet, and conservation status in this detailed blog post.