Discover the intriguing world of the **Northern Andean Water Mouse** (*Oxymycterus*), a vulnerable rodent native to the Andean regions of South America. Adapted for swimming, this medium-sized creature thrives in freshwater habitats, foraging for aquatic invertebrates and plant material while playing a vital role in its ecosystem. Learn about its unique behaviors, reproductive habits, and the conservation efforts necessary to protect this resilient species.