Leslie Massey
The title of the world's largest carnivorous marsupial once belonged to the Thylacine, a now-extinct species of tiger-like carnivore native to Australia. Following the Thylacine's extinction in 1936, the Tasmanian devil, a carnivorous marsupial native to Australia, became the largest surviving carnivorous marsupial in the world.
| Characteristics | Values |
|---|---|
| Common Name | Tasmanian Devil |
| Scientific Name | Sarcophilus harrisii |
| Length | 50-70 cm (including tail) |
| Weight | 6-12 kg |
| Lifespan | Up to 5-6 years in the wild, up to 8 years in captivity |
| Diet | Carnivorous |
| Habitat | Tasmania, Australia |
| Conservation Status | Endangered |
| Distinctive Features | Black fur with white patches, stocky build, strong jaws, pungent odor |
| Behavior | Nocturnal, solitary, aggressive when feeding |
| Reproduction | Polygamous; breeding season in February-March |
| Cultural Significance | Important cultural and ecological significance to indigenous Tasmanians |
| Popular Culture References | Known for its fierce behavior and featured in various media, including the Looney Tunes character "Taz" |
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What You'll Learn
The Tasmanian devil is the world's largest carnivorous marsupial
The Tasmanian devil, or Sarcophilus harrisii, is the world's largest carnivorous marsupial. It is characterised by its muscular build, black fur, pungent odour, loud screech, strong sense of smell, and aggressive feeding style. The devil has one of the strongest bites per unit body mass of any predatory land mammal, owing to its large head and neck. It is a scavenger that hunts prey and feeds on carrion.
The Tasmanian devil was once present across mainland Australia but became extinct there around 3,500 years ago. It is now only found on the island of Tasmania. The devil's disappearance from the mainland remains a mystery, but it appears to coincide with a sudden change in climate and the expansion of indigenous Australians and dingoes. Theories for its extinction include direct hunting by humans, competition with dingoes, and climate change.
The Tasmanian devil is related to quolls and the now-extinct thylacine. It has a similar lineage to the quoll, with molecular evidence suggesting a split between the two species between 10 and 15 million years ago during a period of severe climate change in Australia. The devil's small genetic diversity is consistent with a founder effect, which may have been caused by the mass extinctions during this time.
The Tasmanian devil is about the size of a small dog. Despite their name, they are usually solitary creatures, but they sometimes eat and defecate together in communal locations. They are known for their peculiar gait, which may have been caused by the need to climb trees in search of food.
The Tasmanian devil is an iconic species in Australia, and its survival is important for the country's ecological diversity. However, it faces threats such as habitat loss and human-wildlife conflict, which have led to its decline in numbers. Conservation efforts are in place to protect this unique species.
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Thylacine extinction in 1936
The thylacine, also known as the Tasmanian tiger or Tasmanian wolf, was a large carnivorous marsupial native to mainland Australia and the islands of Tasmania and New Guinea. It is believed that the thylacine became extinct in New Guinea and mainland Australia around 3,600 to 3,200 years ago, possibly due to the introduction of the dingo. However, the thylacine population remained in Tasmania, with an estimated 5,000 individuals at the time of European settlement in the early 1800s.
The establishment of European colonies in Tasmania brought significant changes to the island, including the introduction of farming and livestock such as sheep and cattle. Despite evidence suggesting that feral dogs and mismanagement were primarily responsible for stock losses, the thylacine became a scapegoat and was targeted as a pest. Bounty hunting of thylacines was introduced as early as 1830, with farmers offering rewards for their skins.
By the 1930s, excessive hunting, habitat destruction, and introduced diseases had severely impacted the thylacine population in Tasmania. The last known thylacine died on September 7, 1936, at the Beaumaris Zoo in Hobart, just two months after the species was granted protected status. The death was attributed to suspected neglect or exposure.
Despite the thylacine's extinction, there have been numerous reported sightings and searches for the animal, particularly in Tasmania. These sightings have sparked interest in the field of cryptozoology, and efforts to clone and bring the species back have been explored. The thylacine holds cultural significance in Tasmania and is featured on the official coat of arms, logos, and various other symbols.
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Tasmanian devil characteristics
The Tasmanian devil (Sarcophilus harrisii) is the world's largest carnivorous marsupial. It is characterised by its stocky and muscular build, black or dark brown fur, pungent odour, loud and disturbing screech, keen sense of smell, and ferocity when feeding. An adult male Tasmanian devil can grow to the size of a small dog, weighing between 6 and 12 kg, with powerful jaws and sharp teeth. They are known to be feisty and frenzied, flying into a rage when they feel threatened, baring their teeth, growling, and even lunging at would-be predators. They are also known for their distinctive facial features, including a short muzzle, long whiskers, dark eyes, and pink insides of their ears.
Tasmanian devils are found exclusively in Tasmania, having disappeared from mainland Australia around 3,500 to 400 years ago. They inhabit a range of native habitats, including pastures, forestry plantations, open forests, and woodlands, from the coast up to high mountain peaks. They are nocturnal, solitary scavengers, feeding primarily on carrion, with a particular fondness for possums and macropods. They will also hunt prey, typically slow or injured animals such as sick wallabies or small livestock. Devils have a strong sense of smell, which they use to locate food, and sharp, non-retractable claws for digging and holding prey.
Despite their solitary nature, Tasmanian devils will sometimes come together to feed on a carcass, resulting in a noisy and aggressive display as they jostle for the best dining spot. They communicate using a variety of vocal sounds, including clicks, shrieks, and growls, as well as physical posturing and chemical gestures. They are known for their large scats, which can be up to 25 cm long and are characteristically grey due to the presence of digested bones.
Tasmanian devils breed once a year between February and June. Females give birth to over twenty tiny juveniles, but with only four teats for feeding, many do not survive. The remaining young are fed by their mother within her pouch for up to four months and then ride on her back for a few months before becoming fully independent at around nine months old.
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Tiger or Spotted-tailed Quoll: the largest surviving marsupial carnivore on mainland Australia
The tiger quoll or spotted-tailed quoll (Dasyurus maculatus) is the largest surviving marsupial carnivore on mainland Australia. It is a nationally vulnerable and forest-dependent species, and the sole surviving member of its genus in southeast mainland Australia. The species has been classified as 'vulnerable' nationally.
The tiger quoll is related to the Tasmanian devil (Sarcophilus harrisii), which is also a carnivorous marsupial. The devil was once present across mainland Australia but became extinct there around 3,500 years ago and is now confined to the island of Tasmania. The devil is characterised by its stocky and muscular build, black fur, pungent odour, extremely loud and disturbing screech, keen sense of smell, and ferocity when feeding.
The tiger quoll, on the other hand, is a slender and agile animal with a long tail, spotted coat, and pointed snout. It is a solitary hunter that feeds on small mammals, birds, and reptiles. The species is facing a continuing decline due to the loss of forest cover, principally from clearing for agriculture. This has resulted in habitat fragmentation and a reduction in the range of approximately 50%.
The tiger quoll is an important part of Australia's forest fauna and its conservation is crucial for maintaining the ecological balance. The species is also of cultural significance to Indigenous Australians, with traditional stories and artwork depicting the quoll as a clever and cunning creature.
The thylacine, or Tasmanian tiger, was once the largest carnivorous marsupial until its extinction in 1936. It is believed to have gone extinct due to factors such as direct hunting by humans, competition with dingoes, and changes brought about by the increasing human population. The thylacine's extinction highlights the importance of conserving species like the tiger quoll to prevent further loss of unique Australian wildlife.
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Thylacoleo carnifex: the largest member of the Thylacoleonidae
Thylacoleo carnifex, commonly known as the "marsupial lion", was the largest member of the Thylacoleonidae family of carnivorous marsupials. It lived in Australia from the late Pliocene to the Late Pleistocene (around 2.5 million to 40,000 years ago). During this time, it occupied the position of apex predator within Australian ecosystems.
The first fossil findings of Thylacoleo were discovered in the 1830s in the Wellington Valley of New South Wales, Australia, though they were not recognised as such at the time. Thylacoleo carnifex was first described in 1859 by paleontologist Sir Richard Owen, who called it "one of the fellest and most destructive of predatory beasts".
Thylacoleo carnifex is estimated to have weighed between 101 and 130 kg on average, with some individuals possibly reaching weights of up to 164 kg. This would have made it comparable in size to female lions and tigers. It had a wide, heavy, short-snouted skull with a bony bar behind the orbits, similar to primates. It possessed enlarged cheek teeth (third premolars) that formed long shearing blades, as well as large, serrated, canine-like upper incisors and horizontally oriented lower incisors. Like other thylacoleonids, it had blade-like teeth in both the upper and lower jaws, which functioned as carnassial teeth.
Thylacoleo carnifex also had a large retractable "dew claw" on its thumbs, which it may have used to slash or disembowel prey. Its unique elbow joint suggests it had the rotational capacity for climbing, as well as stabilising its limbs on the ground, indicating a predatory behaviour unlike that of any living animals. It is thought to have been an ambush predator or scavenger and was likely widely distributed across Australia during the Pleistocene.
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Frequently asked questions
The Tasmanian devil (Sarcophilus harrisii) is a carnivorous marsupial and is the world's largest, the size of a small dog.
The Tasmanian devil was once present across mainland Australia but is now only found on the island of Tasmania.
The Tasmanian devil is known for its muscular build, black fur, pungent odour, loud screech, strong sense of smell, and ferocity when feeding.
The Tasmanian devil's lineage is believed to have emerged during the Miocene period, around 10-15 million years ago, when severe climate change transformed Australia's climate.
Yes, the Tiger or Spotted-tailed Quoll (Dasyurus maculatus) is the largest surviving marsupial carnivore on mainland Australia. Thylacoleo carnifex, also known as the "pouch lion" or "marsupial lion", was once the largest carnivorous marsupial but is now extinct.
