A field survey/study on butterfly counting in Gibbon Wildlife Sanctuary was conducted on the occasion of ‘Big Butterfly Month, India’ during the latter part of September, 2020. The study was conducted by the Department of Zoology and Zoological Society of Nanda Nath Saikia College under the guidance of Dr. Manashi Bortamuly, Head of the Department of Zoology and President of Zoological Society of Nanda Nath Saikia College. Butterfly Scientist Dr. Monsunjyoti Gogoi, B.N.H.S and Ph. D. Scholar of NIAS Mr. Abhijit Konwar also collaborated with the team.

Team Members included Dr. Manashi Bortamuly, HOD and President of Zoological Society, NNS College, Titabar, Dr. Monsunjyoti Gogoi, B.N.H.S and Ph. D. Scholar of NIAS Mr. Abhijit Konwar, and few students of the final year of B. Sc of NNS College and also a student of DRC College, New Delhi.

During the survey, 136 individuals were counted during three round of line transect studies. It was found that Gibbon Wildlife Sanctuary is rich in the diversity of butterflies as it contains almost all the host plants, necturing plants and resting sites for the available families of the butterflies.