| Category | Key Details |
|---|---|
| Location | Dibrugarh and Tinsukia districts, Assam; bounded by Brahmaputra, Lohit, and Dibru rivers. |
| Area | 765 sq km (core + buffer zone). |
| Ecosystem | Salix swamp forests, grasslands, tropical climate; hot rainy summers, cooler winters. |
| Historical Timeline | - 1890: Dibru Reserved Forest <br> - 1986: Preliminary wildlife sanctuary <br> - 1997: Biosphere Reserve <br> - 1999: National Park status <br> - 2020: Court halted oil exploration. |
| Flora | Semi-evergreen, deciduous, swamp, and grassland forests. Key species: Dillenia indica, Bombax ceiba, 40+ orchids. |
| Mammals (36 species) | Endangered species: Bengal tiger, Indian leopard, clouded leopard, wild water buffalo, Asian elephant, hoolock gibbon, feral horses, Ganges river dolphin. |
| Birds | Notable species: White-winged wood duck, great hornbill, Bengal florican, migratory birds (winter). |
| Best Time to Visit | November to April (pleasant weather, migratory birds). |
