Island Flying Fox


In the Zoo

Scientific Information

Scientific Name: Pteropus hypomelanus
Class: Mammalia
Order: Chiroptera
Family: Pteropodidae
Genus: Pteropus




Height: 6-10 inches 6-10 inches
Weight: 1.5 pounds 1.5 pounds
Maturity: 1 year 1 year

Lifestyle and Lifespan

Diet: Herbivorous
Activity Timeframe: Nocturnal
Interactivity: Social
Sexual Dimorphism: Yes
Gestation: 180-210 days
Lifespan in the Wild: 9 years
Lifespan in Captivity: 20 years

Geographic Range

Andaman and Maldives Islands; New Guinea through Indonesia to Vietnam and Thailand, and adjacent islands; Philippines.


Status in the Wild:
Threats: Habitat Loss


Naked dorsal tibia makes it unique from other Pteropus. Pale patch of fur on chest. Head is furred in dark brown to yellowish brown. Males are larger in size.

Species Specifics

Physical Characteristics

This species has strong senses of smell, hearing, and sight. They primarialy use smell and vision for finding food.



Forests, orchards, coconut palm groves. Island endemic.


Will travel 8 km from roost site for food.


Feeds on wild and cultivated fruit in both primary and secondary tropical forests and rural gardens and plantations.

Ecological Web

Bats are very important pollinators and seed distributors.

Activity and Behavior

Activity Pattern


During hot days, this species will flap its wings, lick its chest, and pant to cool off. During cool or rainy weather, they will completely wrap both wings around their body to conserve body heat.

Social Behavior

Will form colonies of up to 5,000 individuals.

Reproductive Behavior

Many females will form a harem with one male during the breeding season. During the gestation period, pregnant females will group together and care for one another. Birth during April and May.


Single birth.



Listed as Least Concern by the IUCN, however in the Philippines it may be Near Threatened because of human predation and habitat loss. Listed on Appendix II of CITES.


The historical trends of this species are not known for South Asia.

Current Threats

Habitat Loss

Our Role

Yearly donation to Lubee Bat Conservancy

How You Can Help

Support Lubee Bat Conservancy. Support Bat Conservation International (BCI).

Fascinating Facts


Lubee Bat Conservancy. "Island or Variable Flying Fox."

Red List. The IUCN Red List of Threatened Species. "Pteropus hypomelanus."

Association of Zoos and Aquariums. Animal Program Database. "Flying Fox, Island SSP."

"University of Michigan. Animal Diversity Web. ""Pteropus hypomelanusvariable flying fox."""

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