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
Dusky flying fox Dusky flying fox The dusky flying fox ("Pteropus brunneus"), also known as the Percy Island flying fox, is an extinct species of flying fox in the family Pteropodidae. It was endemic to Percy Island off the southeast coast of Mackay, Queensland, in the northeast corner of Australia. Only one specimen is known to exist. It was documented in 1859 and collected by Dobson in 1878. Since that record, no further documentation is known of this species. Currently, the specimen is located at the British Museum of Natural History, and was validated as a separate species in the late 20th century.