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
Grey-headed flying fox a marked decline in flying fox entanglements across time and subsequent reduction in public risk and the burden on wildlife rescue and rehabilitation volunteers. An emerging key threatening process to threatened flying-fox populations is the increasing numbers of days when temperatures exceed 41 °C, causing mass mortalities in flying-fox camps throughout their range along Australia's eastern seaboard. Baby flying foxes usually come into care after having been separated from their mothers. Babies are often orphaned during four to six weeks of age, when they inadvertently fall off their mothers during flight, often due to disease or tick paralysis (their own