Indian flying fox flying foxes engage in oral sex, with males performing cunnilingus on females. The duration of oral sex is positively associated with the duration of copulation, suggesting that its purpose is to make the female more receptive to copulation and to increase the male's chances of fertilizing an ovum. Like other fruit bats, the Indian flying fox may be a natural reservoir for diseases including certain henipaviruses and flaviviruses. These can prove fatal to humans and domestic animals. Indian flying foxes in India and Bangladesh have tested positive for Nipah virus, a type of henipavirus. Due to human encroachment into their
Vanikoro flying fox suitable habitat has also pushed the Vanikoro flying fox into coconut farms where they are often killed as they are thought to negatively affect the fruits. Opportunistic hunting in some areas can also contribute as a threat to the species. "Pteropus Tuberculatus ." "Pteropus Tuberculatus (Vanikoro Flying Fox)". IUCN Red List, n.d. Web. "Surveys of Threatened Birds and Flyingfoxes in the Santa Cruz Islands, Solomon Islands, September - October 2014" (2014): 1-29. 1 Dec. 2014. Web. "Heritage Expeditions Rediscovered the Vanikoro Flying Fox." "Heritage Expeditions". N.p., n.d. Web. "Importance of Flying-foxes." "Department of Environment and Heritage Protection". Queensland Government, n.d.