The sprawling Dibru Saikhowa National Park, identified as an Important Bird Area (IBA), is most famous for rare white-winged wood ducks as well as feral horses. Spread over an area of 650 sq km, it is located close to the eastern border of Assam, straddling both the districts of Dibrugarh and Tinsukia. One of the nineteen biodiversity hotspots in the world and a biosphere reserve, Dibru Saikhowa is a bird watcher's paradise. The woods echo with the beautiful cacophony of rare and exotic birds that reside here. Till date 36 species of mammals, 502 species of birds, 104 species of fish, 43 species of reptiles, 105 species of butterflies and 680 species of plants have been recorded here. Moreover, 25 per cent of India’s threatened bird species have been found in the Dibru Saikhowa National Park. The park is also home to nearly 50 feral horses, the most in any national park across India.
A river island which is now a National Park, Dibru-Saikhowa is one of the 19 biodiversity hotspots in the world. It is located 12 km North of Tinsukia which is another fastest developing city in upper Assam. The wildlife is quite diverse here. It is home to White-winged Wood Duck, Bengal Florican, Lesser Adjutant Stork, spotted-billed Pelican, White-bellied Heron, Swamp Partridge, Jerdon's Babbler, Black-breasted Parrotbill, Striated Grassbird, etc. you can also spot the royal Bengal Tiger if you are lucky enough and also leopards. It’s a bird’s lover paradise, especially during the winter season lots of migratory birds visit the park. The Kekjori trees which is famous for its vast spreading branches is another major attraction. You can also spot wild horses known as "Feral Horses" in the Saikhowa part of the Park known as Churkey Sapori. These are untamed horses and can be seen roaming in herds.