Dibru-Saikhowa National park,spreading over an area of 350 square km,is located 12 KM north of Tinsukia in Assam. The park is having its boundary with the Brahmaputra and lohit rivers in the north and Dibru river in the south. The forests consists of mixed semi-evergreen forests, moist mixed deciduous forests, grasslands and is a salix swamp forest and is rich in fish diversity. Dibru-saikhowa is a safe habitat for many extremely rare and endangered species of Wildlife.. Mammals found here are Bengal tiger, clouded leopard, jungle cat, sloth bear, dhole, small Indian civet, Malayan giant squirrel, Chinese pangolin, Gangetic dolphin, slow loris, pig tailed macaque, Assamese capped langur, Hoolock gibbon, Asian elephant, wild boar, Sambar deer, hog deer, barking deer, Asiatic water buffalo, and the major attraction are the feral horses.

Birds mainly found here are greater adjutant stork, ferruginous pochard, Jerdon’s babbler, black-breasted parrotbill, marsh babbler, puff-throated babbler, Jerdon’s bushchat, rufous-rumped grassbird, chestnut-crowned bush warbler, lesser adjutant, Sarus crane, Bengal florican, spot-billed pelican, white-necked stork, black stork, black-necked stork, white-bellied heron, glossy ibis, fulvous whistling-duck, bar-headed goose, common shelduck, white-winged duck, spot-billed duck, Baer’s pochard, swamp francolin, Himalayan griffon, white-tailed eagle, Pallas’s fish-eagle, grey-headed fish eagle, greater spotted eagle, white-backed vulture, slender-billed vulture, lesser kestrel, brown fish owl, great pied hornbill, spotted redshank, spotted greenshank, Indian cormorant, grey heron, purple heron, black-crowned night heron, , greylag goose, northern pintail, osprey, crested serpent-eagle, white-winged wood duck, pale-capped pigeon.