Dr. Himali Ratnayake is writing up work done on the thermophysiology of grey-headed flying-foxes (Pteropus poliocephalus) in collaboration with Dr Christopher Turbill and Prof. Justin Welbergen of Western Sydney University, Australia.
Dr. Himali Ratnayake is writing up work done to create a biophysical model for Australian flying-foxes in collaboration with Prof. Michael Kearney and Dr. Natalie Briscoe of the University of Melbourne, Australia.
Prof. Mayuri Wijesinghe together with Dr. Himali Ratnayake is involved studies of niche mapping on threatened species.