Discover the fascinating world of Osgood's Small-eared Shrew (*Microsorex hayi*), a unique nocturnal mammal thriving in the moist, forested habitats of the northeastern United States and Canada. With its distinctive dark brown fur and small rounded ears, this vulnerable species plays a vital role in controlling insect populations while showcasing remarkable adaptability and resilience in its ecosystem. Learn about its behaviors, dietary habits, and the ongoing conservation efforts aimed at preserving its habitat.