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
Black-bearded flying fox Black-bearded flying fox The black-bearded flying fox ("Pteropus melanopogon") is an endangered species of megabat in the genus "Pteropus". It is endemic to Indonesia, found on the islands of Ambon, Buru, Seram, Banda, and Yamdena. Currently considered monotypic, it formerly included the Aru flying fox and Kei flying fox as subspecies. It was described in 1867 by German naturalist Wilhelm Peters based off an individual in the collection of Hermann Schlegel. Its species name comes from the New Latin melanin, which is derived from Ancient Greek "mélas", meaning "black", and Ancient Greek pṓgōn, meaning "beard". As the genus "Pteropus" is