The Namdapha flying squirrel, (Biswamoyopterus biswasi), is an arboreal, nocturnal flying squirrel endemic to India. It was the sole member in the genus Biswamoyopterus until the description of the Laotian giant flying squirrel in 2013. First collected in Deban (on 27 April 1981), no population estimates are available for but the known habitat is tall Mesua ferrea jungles, often on hill slopes in the catchment area of Na Dihing river (particularly on the western slope of Patkai range) in North eastern India.