Discover the fascinating Orinoco Brush-tailed Rat (*Isothrix bistriata*), a medium-sized rodent native to the lush rainforests of the Orinoco River Basin in Venezuela and Colombia. Known for its nocturnal behavior, social structure, and essential role in seed dispersal, this vulnerable species faces threats from habitat loss, making its conservation critical for maintaining the biodiversity of its ecosystem. Explore the unique adaptations and ecological significance of this remarkable creature in our comprehensive species description.