Dibru-Saikhowa This reserve is situated in the south bank of the river Brahmaputra in the extreme east of Assam state. Bio-geographically, the area exhibits the properties of both the Indian and the Malayan sub-regions . The forest types of the reserve comprises of semi-evergreen, deciduous, littoral and swamp forest and patches of wet evergreen forest . Threatened and endangered medicinal plants of the Reserve are serpentine wood, Chaulmoogra tree, Conessi tree, Spiral ginger, Winged yam and Air potato vine. Small Indian civet, small Asian mongoose, common mongoose, common otter, Malayan giant squirrel, Pallas’ squirrel, Himalayan hoary bellied squirrel, common giant flying squirrel, Indian hare, pangolin, Himalayan mole, ground shrew, Gangetic dolphin, slow loris , capped langur , H olock gibbon, Asian elephant, feral horses, wild boar, sambar , hog deer, barking deer and Asiatic water buffalo are the larger mammals found in the Reserve . Bayer’s pochard , greater spotted eagle, Bengal Florian, pale capped pigeon, great pied hornbill, marsh babbler, Jordon's babbler, black breasted parrot bill are some endangered birds. It is a Important Bird Area by BNHS and Birdlife International.