Here's what we know:
* Some flying fox species are critically endangered: The Mariana fruit bat, for example, is on the brink of extinction.
* Other species are endangered: The grey-headed flying fox, found in Australia, is facing significant population declines.
* Many species are listed as vulnerable: This means their populations are declining and they could be endangered if current trends continue.
* Some species are considered least concern: Their populations are healthy and not currently threatened.
Therefore, you can't say definitively that "flying fox bats" are endangered. It's crucial to specify the species you're interested in to determine their conservation status.
Here's why flying foxes are often at risk:
* Habitat loss and fragmentation: Deforestation and urbanization are destroying their roosting and foraging habitats.
* Climate change: Extreme weather events and changes in food availability impact their survival.
* Hunting and trapping: Some species are hunted for food or considered pests.
* Disease outbreaks: Flying foxes are susceptible to diseases, which can cause significant population declines.
To learn more about the conservation status of a specific flying fox species, you can check resources like the IUCN Red List of Threatened Species.