The Northeast Tiger Nature Reserve is a protected area located in the northeastern region of China. Established to conserve the habitat of the endangered Siberian tiger, the reserve spans over 1,500 square kilometers. It features diverse ecosystems, including forests, rivers, and grasslands, which support a variety of wildlife. In addition to tigers, the reserve is home to other species such as Asian black bears, Amur leopards, and various birds. The area plays a crucial role in biodiversity conservation and serves as a research site for studying the behavior and ecology of these animals in their natural habitat.