The Nameri National Park is spread across a total area of 200 square kilometers and is lined by Jia Bhoreli river on its western and southern boundaries whereas, Bor Dikrai River forms the eastern boundary. The surrounding villages of the national park are home to Mising tribe, an ethnic group of people belonging to one of Assam’s indigenous communities. The Mising are an Indo-Mongoloid group also referred to as Miris and are second largest ethnic group in Assam.
Nameri is home to around 370 different species of birds that are endemic to this region along with other mammals and reptiles. The white- winged duck is the most prominent species and is spotted in abundance. Apart from being a tiger reserve, the major attractions of wildlife also includes Elephants, Leopards, Black Bear, Indian Bison, Indian Giant Squirrels, Capped Langurs, Deers, Clouded Leopards, Asiatic Wild Dog, Pygmy Hog (critically endangered suid), Wild Boar, Sloth Bear and Himalayan Black Bear.