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Bats are the only mammals capable of sustained flight and are the most widely distributed mammals on Earth. Australia is home to over 90 species of bats, including the Gould's Wattled Bat, the Little Red Flying Fox, and the Ghost Bat. Bats have diverse diets that vary between species, but what do Australian animals eat when bats are on the menu?
| Characteristics | Values |
|---|---|
| Australian animals that eat bats | Ghost bats |
| Diet of ghost bats | Large insects, small lizards and frogs, small birds and mammals, including other bats |
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What You'll Learn
What do Australian bats eat?
Australia is home to a diverse range of bats, and their diets vary depending on the species. One of the most well-known Australian bats is the flying fox, which includes species such as the grey-headed flying fox, the little red flying fox, and the spectacled flying fox. These bats are primarily frugivores, meaning they feed on the fruits of native rainforest trees and vines. They have a preference for blossoms with light-coloured flowers arranged in bunches at the end of branches, such as eucalypt blossoms, paperbarks, and turpentine trees. They also consume the nectar and pollen of these flowers, acting as important pollinators for the Australian bush. In addition to native fruits and flowers, flying foxes may also feed on introduced fruits such as mangoes, mulberries, and domestic fruits when their preferred food sources are scarce or during droughts.
Spectacled flying foxes, which have the smallest known population of Australian mainland flying foxes, are specialist fruit eaters. They predominantly feed on rainforest fruits and the nectar and pollen of eucalypt blossoms. Grey-headed flying foxes are also strict vegetarians, feeding mainly on nectar and fruit. These bats have a large wingspan of nearly 1 metre, making them among the largest bats in the world.
Little red flying foxes are easily identified by their reddish-brown body fur and semi-transparent wings during flight. They exhibit gregarious roosting behaviour, often clinging in tight groups low to the ground. While their diet is similar to other flying foxes, they have been observed feeding on leaves by chewing them, swallowing the liquid, and spitting out the fibre.
Another unique Australian bat is the ghost bat (Macroderma gigas), which is the only extant member of the Megadermatidae family in the country. It is characterised by its long, erect noseleaf and large ears. As Australia's only truly carnivorous bat, the ghost bat feeds on a variety of prey, including large insects, small lizards and frogs, small birds, mammals, and even other bats. They are sometimes referred to as false vampires due to the lack of forward-pointing incisor teeth that true vampire bats possess.
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What are Ghost Bats?
Bats are the only mammals capable of long, sustained flight and are the most widely distributed mammals on Earth. Most bats are nocturnal, meaning they hunt at night and sleep during the day. They have poor vision, so they emit echoes to detect and locate their prey in the dark.
The ghost bat (Macroderma gigas) is a species of bat found in northern Australia. It is the only extant member of the Megadermatidae family in Australia. It is Australia's largest microbat and the second-largest in the world. Ghost bats are Australia's only truly carnivorous bat species, characterised by their long, erect nose leaf and large ears, which are united at their base by a band of skin over the forehead. Their fur colour ranges from mid to dark grey at the back, with a whitish underside and head. They have translucent wing membranes and prominent eyes, which are dark in colour and comparatively large and well-developed for nocturnal vision.
Ghost bats eat a wide range of prey, including large insects, small lizards and frogs, small birds and mammals, and other bats. They are sometimes called false vampires because they lack the forward-pointing incisor teeth of true vampire bats, which are only found in Central and South America. Instead, ghost bats use their powerful jaws and short, robust teeth to consume the flesh and bones of their prey. They have a unique hunting behaviour, ambushing their prey from perches and swooping down to kill with powerful bites before flying to a feeding site.
Ghost bats typically roost in colonies in caves, old mine tunnels, and deep cracks in rocks. However, due to the destruction of their roosting sites, it is rare to find large colonies. They are vulnerable to human disturbance, the destruction of caves by mining, and the loss of feeding habitat due to agriculture. Their distribution has significantly contracted since they were first described in 1880, and they are now restricted to small, isolated pockets in Western Australia, the Top End of the continent, and Queensland.
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What do Gould's Wattled Bats eat?
Bats are the only mammals capable of long, sustained flight and have evolved to be the most widely distributed mammals on Earth. Most bats are nocturnal, searching for prey at night and sleeping during the day. They have poor vision, so they emit echoes to detect and locate their prey in the dark.
Gould's Wattled Bat (Chalinolobus gouldii) is named in honour of the famous naturalist John Gould. It has dark fur and prominent wattles that distinguish it from other bat species. This species is found in every climatic zone in Australia, from arid regions to rainforests and urban areas, and on many offshore islands. They are the most widespread bat species in Australia.
Gould's Wattled Bats are insectivorous, feeding on a variety of insects, including moths, beetles, scarab beetles, caterpillars, crickets, cockroaches, stoneflies, cicadas, and many other flying and non-flying insects. In the riparian woodlands of Tasmania, beetles are the most common food item, while in other areas, moths are more prevalent.
These bats typically roost in hollows of mature trees, such as river red gums and cypress pines. However, when good tree cover is unavailable, they will utilise buildings and other structures for shelter during the day. They often share their roosts with other bat species. In northern regions, these bats are active all year round, while in southern areas, they hibernate during the winter.
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What do Little Red Flying Foxes eat?
Little Red Flying Foxes, or Pteropus scapulatus, are native to northern and eastern Australia. They are the smallest species of Pteropus in mainland Australia, weighing about half a kilogram. These bats are nomadic and tend to avoid urban areas, making them difficult to track. They are also known to appear in very large numbers, with camps of tens of thousands of individuals.
Little Red Flying Foxes are important pollinators of tree species, and they play a crucial role in the ecosystem by feeding on nectar and pollen from flowers, particularly favouring eucalypt blossom. They have a preference for the nectar of Melaleuca species. Their feeding behaviour involves licking nectar rather than chewing or biting into fruits. They also feed on other native and cultivated fruits, such as bananas and pears, when available.
These bats are known for their unique water-gathering behaviour, skimming the surface of rivers and streams to gather water on their fur while in flight. This behaviour can put them at risk of becoming prey to freshwater crocodiles, which lie in wait beneath the overhanging roosts.
Little Red Flying Foxes are vulnerable to the loss of feeding areas due to forestry operations, clearing of native vegetation, and land degradation from agriculture. They are also affected by the destruction of roosting habitats, and their large numbers can cause damage to camp sites, making them unpopular among orchardists.
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Where do Australian bats live?
Australia is home to over 90 species of bats, covering a diverse range of habitats. Bats are nocturnal mammals, and despite their poor vision, they can emit echoes to detect and locate their prey in the dark. While some people believe that all bats live in caves, this is not true. Bats can adapt to various environments and are found in trees, mountains, deserts, rock crevices, barns, and even rooftops.
One notable species in Australia is the Ghost Bat (Macroderma Gigas), which is the only extant member of the Megadermatidae family in the country. It is characterised by its long, erect noseleaf and large ears, connected by a band of skin over its forehead. As Australia's only truly carnivorous bat, it preys on insects, small lizards and frogs, small birds, and even other bats. Ghost Bats were once widespread across the Australian mainland but are now restricted to northern Australia, with populations centred around caves, boulder piles, and old mines.
Another Australian bat species is Gould's Wattled Bat (Chalinolobus Gouldii), named after the naturalist John Gould. This bat has distinct dark fur and prominent wattles. It is the most widespread bat species in Australia, inhabiting arid regions, rainforests, urban areas, and offshore islands. Gould's Wattled Bats typically roost in dead spouts of large living trees but have also been known to occupy houses and bat boxes when necessary.
The Little Red Flying-fox is a small reddish-brown bat with semi-transparent wings and gregarious roosting behaviour. They are often found clinging in tight groups, even low to the ground. This species is commonly found along the coastal and urban areas from southeast Queensland to Victoria.
Australia is also home to the Yellow-lipped bat, which inhabits the northern-most coasts of Western Australia. The Finlayson's cave bat is widespread across the inland portion of the country, as well as the northern and western coasts. The Eastern forest bat favours the eastern-most coasts of Queensland and New South Wales, while the Southern forest bat is typically found in Southern Australia, particularly along the coasts.
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Frequently asked questions
Australian bats have diverse diets that include nectar, pollen, fruit, birds, insects, frogs, lizards, and even other bats. The Ghost Bat is Australia's only carnivorous bat, and its diet includes insects, frogs, birds, lizards, and small mammals. Vampire bats are sanguivores, meaning they survive solely on animal blood.
Megabats are typically larger than microbats and live in tropical and subtropical areas of Oceania, including Australia. They do not use echolocation but rely on their senses of sight and smell. Megabats are generally frugivores, eating fruit like figs, bananas, mangoes, guava, and papaya.
Microbats are smaller than megabats and can be found in rural and urban areas. They are insectivores, eating insects like mosquitoes, moths, crickets, beetles, spiders, flies, and cockroaches. There are about a dozen species of microbats that are carnivores, eating fish, frogs, lizards, rodents, and even smaller bats.
Flying foxes are a type of megabat. They often feed on the berries of the Cocos (Queen) Palm in South-east Queensland. They are prone to being attacked by domestic dogs and can carry the Australian Bat Lyssavirus, which can be transmitted to humans through bites or scratches.
