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
Rennell flying fox 1962, Hill published that he considered Rennell's flying fox as a subspecies of the Solomons flying fox, with a trinomen of "Pteropus rayneri rennelli". The forearm of the holotype was long. The fur of its back is uniformly brownish, with the fur of its neck and face lighter. Females give birth to one offspring per litter, with the young called a "pup." Its lifespan is estimated at 8–9 years. It is nocturnal, roosting in sheltered places such as trees during the day. Individuals roost by themselves. It is only known from Rennell Island, which is part of the Solomon Islands.