Flying Foxes: The Largest Types of Megabats

What Are Flying Foxes?

Flying foxes belong to the genus Pteropus and represent some of the most spectacular types of megabats on Earth. With wingspans reaching up to 1.7 meters (5.6 feet) and body weights up to 1.6 kg, these remarkable mammals are the largest bats in the world.

The genus Pteropus currently contains 57 recognized species, making it the most species-rich genus within the megabat family Pteropodidae. Flying foxes are primarily an island taxon, with 55 species having some or all of their distribution on islands across Africa, Asia, and Oceania.

Key Flying Fox Species

• Great Flying Fox (Pteropus neohibernicus) – The largest megabat, weighing up to 1.6 kg with a 1.7 m wingspan.
• Black Flying Fox (Pteropus alecto) – Native to Australia and Southeast Asia, one of four mainland Australian species.
• Grey-Headed Flying Fox (Pteropus poliocephalus) – The best-studied Pteropus species, endemic to Australia's eastern coast.
• Spectacled Flying Fox (Pteropus conspicillatus) – Found in Queensland, Australia and Papua New Guinea rainforests.
• Lyle's Flying Fox (Pteropus lylei) – A continental species found in Thailand, Cambodia and Vietnam.

Diet and Ecology

All Pteropus species are exclusively plant-eating (phytophagous), feeding on floral resources including nectar, pollen, fruits, leaves, bark and seeds. Their foraging patterns make them critically important pollinators and seed dispersers for tropical rainforest trees. Flying foxes can travel up to 100 km in a single night to find food, making them vital links in forest ecosystems.

Conservation Status

A quarter of all megabat species are listed as threatened, primarily due to habitat destruction and overhunting. Flying foxes are popular food sources in some regions, leading to population declines. Their low reproductive output — typically one offspring per year after a 4–6 month gestation — means populations recover slowly after losses.

Conservation & Further Reading

Megabats face significant threats from habitat destruction, hunting, and climate change. A quarter of all Pteropodidae species are listed as threatened by the IUCN. Their low reproductive rates mean that population recovery is slow after decline events. Supporting tropical forest conservation is the most effective way to protect megabat diversity.

For more information about specific types of megabats, explore the related guides below or visit the Pteropodidae family overview for a complete species list.