Discover the intriguing world of Day's Shrew (*Sorex dayi*), a small nocturnal mammal thriving in North America's temperate forests and grasslands. With its slender body, notable agility, and rich diet of invertebrates, this insectivore plays a crucial role in regulating local ecosystems and enriching soil through burrowing. Learn about its unique behaviors, reproductive habits, and the challenges it faces in a changing environment.