Mammal profile

Tasmanian Devil (Sarcophilus harrisii) | Identification and Safety

Sarcophilus harrisii

Database risk label: MEDIUM
Location: Tasmania only
Database size: 50-80cm

The Tasmanian devil is Australia’s largest surviving carnivorous marsupial. This is a single species, Sarcophilus harrisii, in the family Dasyuridae—not a dog despite its dog-like outline. It is a Tasmanian endemic in the present day and a threatened native animal. [1] [2]

WildGuardian encounter risk label: MEDIUM. This label is about the need for space and caution around a powerful wild animal, not a prediction that a devil will attack. Tasmanian Government guidance says devils are timid and usually prefer to run away, but may defend themselves if attacked, cornered or trapped; a bite can cause serious injury. [3]

Identification: useful clues, but limits matter

A Tasmanian devil is thick-set and low to the ground, with a broad head, short muzzle, short limbs and a thick tail. Its coat is mostly or wholly black. White markings commonly appear on the chest, rump and flanks, but their size and shape vary, and some individuals are entirely black. Adult males are generally larger than females; the Tasmanian Government describes large males as reaching about 30 centimetres at the shoulder and up to 14 kilograms. [1] [3]

These features can help narrow an observation, especially in Tasmania, but they do not turn a fleeting night-time view, a sound or a single photograph into a certain identification. The well-known gape, growls and screeches can look or sound alarming. However, the gape may be a display of fear or uncertainty rather than aggression, and many vocal displays around shared food help reduce harmful fights. [1]

Do not use the presence, absence or exact pattern of a white patch as a definitive test. A careful account of location, date, light conditions and what was actually seen is more useful than overstating certainty.

Australian range and habitat

Tasmanian devils no longer occur on mainland Australia. They are now widespread across Tasmania, from the coast to the mountains; Australian Museum information notes they are not currently found on the Bass Strait islands. [1] [2]

In Tasmania, devils use coastal heath, open dry sclerophyll forest and mixed sclerophyll–rainforest. They also use the boundary between native vegetation and agricultural paddocks where food is available. [1] Their need for shelter by day and food at night helps explain why a sighting can occur in varied landscapes rather than only in remote forest. NRE Tasmania’s FAQ records shelter sites including rock piles, log piles, hollow logs, abandoned wombat burrows, dense vegetation and sometimes spaces beneath buildings. [3]

A sighting outside Tasmania should therefore be treated with care. Fossil evidence shows that devils formerly occurred on the mainland, but it does not establish a living mainland population today. [1] [2]

Behaviour and ecological role

Tasmanian devils are generally nocturnal. They usually shelter in a den or dense bush during the day, then travel along established trails in search of food after dark. NRE Tasmania reports movements of up to 16 kilometres in one night. [1]

They are both scavengers and hunters. Their diet can include carrion and prey such as wallabies, possums, wombats, smaller mammals, birds, reptiles, amphibians and insects. Powerful jaws and teeth allow a devil to eat bones and fur as well as softer tissue. [1] This carrion-eating role also brings devils near roads: carcasses can attract them, while the animals themselves can be difficult to see against dark, wet bitumen. [4] [5]

Devils are not organised “packs”. They may gather at a large carcass, where vocalisations and postures form part of feeding interactions, but this is not the same as coordinated pack hunting. [1] [3]

Why give a Tasmanian devil space?

A wild devil is not a pet or an attraction. The Tasmanian Government says it does not attack people but can defend itself when threatened, and it has powerful jaws. [3] The medium encounter label is therefore a prompt to avoid close contact, not a claim that ordinary sightings are dangerous.

The most important safety boundary is simple: observe from a respectful distance and give the animal room to move away. Do not approach a devil that is using a den, feeding, making threat displays or sharing food with other devils. Keep children and dogs well away from the encounter. This reduces the chance of a frightened animal being pressured into defending itself. [3]

If a devil is using a shed, garage, under-car space or another part of a property, NRE Tasmania says it should be left alone to move on, and notes that devils can be reluctant to leave before nightfall. Direct concerns to the Save the Tasmanian Devil Program or an authorised wildlife service rather than trying to solve the situation yourself. [6]

On Tasmanian roads, slow down after dark, scan road edges and heed wildlife-warning signs. NRE Tasmania specifically advises slower night driving and allowing an animal to move off before passing. [5] If you see a road-killed devil, only stop or make a report when it is safe to do so; the Roadkill Project asks the public to record the sighting through the Tasmanian Roadkill Reporter app. [4]

If a person is bitten or scratched

If a bite or scratch breaks the skin, it is a medical issue. Healthdirect states that any animal bite that breaks skin should be assessed by a doctor as soon as possible, and advises immediate medical advice to reduce infection and tetanus risk. [7]

Seek emergency care for a large or deep wound, a bite to the face or head, or bleeding that will not stop. Healthdirect advises calling Triple Zero (000) for urgent medical help. [7] This is general Australian mammal-bite guidance; it is not bat-exposure advice and should not be used as a substitute for it. No one should wait for symptoms before seeking care for a skin-breaking bite.

Conservation in Tasmania

Devil Facial Tumour Disease (DFTD) is the major contemporary threat identified by NRE Tasmania. It is a fatal condition marked by facial tumours, and the Save the Tasmanian Devil Program is the Australian and Tasmanian governments’ official response to the extinction threat posed by DFTD. [1] [8]

The species is wholly protected and is listed as endangered under Tasmania’s Threatened Species Protection Act 1995 and the Commonwealth Environment Protection and Biodiversity Conservation Act 1999, according to NRE Tasmania. [1] Careful driving matters because road mortality remains a documented concern: the Roadkill Project has received more than 7,000 reports since it began in 2009. [4]

Frequently asked questions

Are Tasmanian devils found anywhere other than Tasmania?

Not as a current wild Australian population. Devils became extinct on the mainland thousands of years ago and are now found across Tasmania; the Australian Museum states that they are not currently found on Bass Strait islands. [1] [2]

Are Tasmanian devils dangerous to people?

NRE Tasmania says devils do not attack people and are timid animals, but they can defend themselves if attacked, cornered or trapped. Their jaws are powerful and a bite can seriously injure someone, so distance is the appropriate response. [3]

What does a Tasmanian devil eat?

It is a scavenger and hunter. Its recorded food includes carrion, wallabies, possums, wombats, smaller mammals, birds, reptiles, amphibians and insects. [1]

Why do Tasmanian devils make such loud noises?

Harsh coughs, snarls and high-pitched screeches are part of their vocal repertoire. NRE Tasmania says many dramatic displays are bluff behaviour or feeding rituals that help minimise harmful fighting at large carcasses. [1]

What is the main threat to Tasmanian devils?

NRE Tasmania identifies Devil Facial Tumour Disease as the greatest recent threat across Tasmania. Road deaths are also a concern, which is why the state’s Roadkill Project collects public reports to understand and reduce the problem. [1] [4]

References

Last reviewed: 21 October 2026. This is general information, not a substitute for medical care.