Dehing Patkai National Park in Assam Records 165 Butterfly Species in 2026 Survey
Dehing Patkai National Park in Assam recorded 165 butterfly species, including 37 endangered species, during a 2026 biodiversity survey. The park spans 234.26 square kilometres across Dibrugarh and Tinsukia districts and is a tropical wet evergreen rainforest often called the "Amazon of the East". The count came from the fourth annual Dihing Patkai Biodiversity and Butterfly Trail held from 28 to 31 July 2026, which documented over 260 species across Assam and parts of Arunachal Pradesh. Capped langurs were also recorded. The survey adds to a run of Northeast biodiversity findings alongside India's expanding Ramsar and tiger-reserve network.
Dehing Patkai was upgraded from a wildlife sanctuary to a national park in 2021 and is known as the 'Amazon of the East' | Butterflies belong to the order Lepidoptera; India has more than 1,500 recorded butterfly species | Assam's other national parks include Kaziranga, Manas, Nameri, Orang, Raimona and Dibru-Saikhowa