Damon Mcknight
Australia is home to an estimated 250,000 species of fungi, but only around 5,000 have been described. Of these, only a small portion have been deemed edible, and many poisonous species are virtually indistinguishable from safe varieties. Fungi are a part of many animals' diets, and in Australia, they are consumed by mammals, marsupials, birds, and reptiles. Some of the Australian animals that eat fungi include the Malleefowl, Cassowaries, Brush Turkeys, Emus, Eastern Blue-tongued Lizards, and rat-kangaroos.
| Characteristics | Values |
|---|---|
| Australian animals that eat fungi | Rat-kangaroos (bettongs and potoroos), Malleefowl, Cassowaries, Brush Turkeys, Emus, Eastern Blue-tongued Lizards, Ground-dwelling birds, Humans |
| Number of fungal species in Australia | Estimated to be over 250,000, with only around 5,000 described |
| Number of fungal species that are toxic | A limited number of field guides exist, but the majority of Australian species are untested for edibility |
| Most common cause of poisoning due to ingestion in Australia | Agaricus xanthodermus (Yellow-staining mushroom) |
| Most deadly species in Australia | Amanita phalloides (Death Cap) |
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What You'll Learn
Potoroos and bettongs are two marsupial groups that eat fungi
The bettong, also called the brush-tailed bettong, woylie, or brush-tailed rat kangaroo, is a small, critically endangered, bipedal marsupial native to Australia. It eats fungus, bulbs, seeds, insects, and resin. The bettong has long front claws that it uses to dig up the fruiting bodies of underground fungi.
The eating of fungi is well-developed in these two marsupial groups. For Potoroos and Bettongs in general, fungi (mostly truffle-like) constitute at least 30-40% of the animals' diets throughout the year. However, there is considerable variation between the species. The Long-footed Potoroo, for example, eats truffle-like fungi as 80-90% of its diet, regardless of the season.
The three-way (tree-fungus-marsupial) association benefits all parties. The animal uses the fungus for food, but then helps disperse the fungal spores.
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Emus and brush turkeys eat immature puffball fungi
Emus and brush turkeys are among the Australian animals that eat fungi. They eat immature puffballs, which are a type of fungus featuring a ball-shaped fruit body that, when mature, bursts on contact or impact, releasing a cloud of dust-like spores into the surrounding area.
Emus have a relatively low basal metabolic rate compared to other types of birds. They forage in a diurnal pattern and eat a variety of native and introduced plant species, insects, and arthropods. Emus also serve as important agents for the dispersal of large viable seeds, which contributes to floral biodiversity. They drink large amounts of water infrequently and are often forced to go without water for several days due to scarce water sources.
Brush turkeys have been observed eating small mushrooms of the genus Mycena. They are ground-dwelling birds that occupy similar ecological niches to small mammals in Australia.
While there has been no systematic study of birds and fungi, it is clear that the eating of fungi is well-developed in some Australian mammals and birds. The Long-nosed Potoroo of western Victoria, for example, eats over 40 different species of fungi, and in northwest Victoria, the Malleefowl has been seen eating small mushrooms.
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Malleefowl eat small mushrooms
Malleefowl have been observed consuming small mushrooms, specifically those in the genus Paxillus. This behaviour has been recorded in northwest Victoria, Australia. While Malleefowl are known to eat small mushrooms, their diet is quite diverse and includes a variety of plant and animal matter.
Fungi consumption by small mammals in south-eastern Australia has been well-studied. It has been found that truffle-like fungi feature heavily in the diets of these mammals. For example, the Long-nosed Potoroo of western Victoria eats over 40 different species of fungi, with the majority being truffle-like.
Fungi are a source of food for many different organisms, including birds, mammals, insects, and even other fungi. Some species rely heavily on fungi as a food source, while for others, it is only a small part of their diet. In the case of Malleefowl, fungi are a part of their omnivorous diet, which includes a variety of plant and animal matter.
Malleefowl are currently listed as vulnerable on the IUCN Red List, with a decreasing population. Their main threats include habitat loss, inappropriate fire regimes, and predation by introduced species such as foxes and feral cats. Conservation efforts are underway to protect Malleefowl populations and their habitats in several sanctuaries and national parks across Australia.
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Cassowaries eat bracket fungi
Cassowaries are large, flightless birds native to the tropical forests of Australia and New Guinea. They are omnivorous, meaning they eat both plant and animal matter. Their diet includes fruits, seeds, fungi, small animals, and carrion. They are also able to consume fallen fruits and nuts that other animals cannot reach.
Cassowaries are known to eat bracket fungi. Bracket fungi are a type of fungus that grows on trees, and cassowaries feed on them in the wild. Bracket fungi are just one of the many types of fungi that cassowaries consume, along with mushrooms and other types of fungi that they find in their habitat.
Fungi are an important part of the cassowary's diet, but they are not the only food source for these birds. Cassowaries also eat a wide variety of fruits, vegetables, and small animals. Fruits and vegetables make up the majority of their diet, providing essential nutrition and energy. They have a preference for leafy greens such as kale, spinach, and lettuce, as well as root vegetables like carrots and turnips.
In addition to their plant-based diet, cassowaries also feed on small insects, lizards, and worms. They are known to scavenge for food and will eat carrion, meat, and even non-edible items like plastic or marbles. This flexible foraging strategy has allowed them to adapt to rainforest-fragmented landscapes and human-altered environments.
The consumption of fungi by cassowaries and other animals plays a crucial role in the ecosystem. By feeding on fungi, animals help disperse fungal spores, contributing to the spread of fungi and the decomposition of organic matter. This three-way association between trees, fungi, and animals benefits all parties involved.
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The Long-nosed Potoroo eats over 40 species of fungi
The Long-nosed Potoroo, a small hopping mammal native to forests and shrublands in southeastern Australia and Tasmania, eats over 40 species of fungi. This is a significant part of its diet, constituting 30-40% of its food intake. The Long-nosed Potoroo is a member of the rat-kangaroo family (Potoroidae), which includes bettongs and potoroos, and is one of the smallest members of its family. It has a long pointed nose, grey-brown fur, erect ears, large eyes, claws for digging, and long, robust hind legs.
Long-nosed Potoroos are nocturnal and solitary, spending much of their time within the shelter of understorey vegetation. They use their long, slightly curved claws on their front feet to dig up their food, which includes underground fruiting bodies of fungi, roots, fruit, flowers, seeds, and insects and their larvae. They have a highly developed sense of smell, which they use to detect and unearth a range of fungi species for consumption.
Fungi are a very important resource for the Long-nosed Potoroo, and they play a critical role in dispersing fungal spores in their droppings. Many of the fungi consumed by Long-nosed Potoroos lack active mechanisms for spore dispersal, so they rely on animals to spread their spores. These fungi are thought to form beneficial mycorrhizae on trees, particularly Eucalyptus species, and shrubs.
The Long-nosed Potoroo is listed as Near Threatened by the IUCN Red List and Vulnerable in Queensland by the Nature Conservation Act 1992. Its population is threatened by habitat loss and introduced species such as cats and foxes, and changes in the pattern of burning in remaining habitats, which create a sparse understorey that provides little shelter for small mammals like the potoroo.
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Frequently asked questions
Australian animals are known to eat a variety of fungi, including truffle-like fungi, small mushrooms, and bracket fungi. Some specific examples include:
- Paxillus involutus, consumed by Malleefowl in northwest Victoria
- Mycena, consumed by Brush Turkeys
- Lycoperdon and Bovista species, consumed by Emus
- Stinkhorn or anemone fungi, consumed by Eastern Blue-tongued Lizards
- Blackfellow's bread (Laccocephalum mylittae), consumed by Aboriginal Australians
A variety of animals in Australia are known to consume fungi. This includes mammals such as rat-kangaroos (bettongs and potoroos), as well as birds like cassowaries, brush turkeys, and emus.
Yes, there are several poisonous fungi species in Australia, and consuming them can have severe health consequences. The Death Cap (Amanita phalloides) is responsible for the most mushroom-related deaths worldwide, including several fatalities in Melbourne and Canberra. Other poisonous species include Agaricus xanthodermus (Yellow Stainer), Omphalotus nidiformis (Ghost Fungus), Chlorophyllum brunneum (Shaggy Parasol), and species of Scleroderma (Earthball). It is essential to accurately identify wild-picked fungi before consumption to avoid potential poisoning.
