For decades, the Tasmanian tiger has been portrayed as Australia’s most fearsome predator. Farmers blamed it for the deaths of sheep, newspapers described it as a threat to agriculture, and the Tasmanian government eventually paid cash bounties for its destruction.
By the time the last known Tasmanian tiger died at Hobart Zoo in September 1936, the species had disappeared from the wild. However, recent research suggests that the animal may have been condemned in the court of public opinion long before the evidence was properly examined. Historical bounty records, population modelling, body size analyses, and disease investigations now indicate that the reputation of the thylacine tiger as a devastating killer of sheep may have been greatly exaggerated.
The real story behind the extinction of the Tasmanian tiger appears to be much more complex and far more tragic.
More than 2,000 bounties were paid because farmers believed thymic tigers were killing sheep
The campaign against Tasmanian tigers intensified in the late 19th century with the expansion of sheep farming across Tasmania.From 1888 to 1909, according to official government records, more than 2,000 bounties were paid for killing thylacines. Thysmanian tigers have been regularly blamed for widespread livestock losses by farmers, ranchers, and politicians alike.
The problem is that much of this reputation is built on assumptions rather than direct observation.According to the Tasmanian Land Conservancy, many of the accusations were based on sheep being found dead and the attack being attributed to a thylacine tiger without confirming which predator was actually responsible. Feral dogs, which were once present in parts of Tasmania, were also capable of killing livestock and often left similar evidence behind.Adding to the debate is the size of the animal. Most adult Tasmanian tigers weigh between 15 and 30 kilograms. Although certainly capable predators, they were much smaller than many contemporary descriptions suggest.
New population models suggest that hunting alone may not explain the collapse
The 2021 analysis examined more than 1,200 historical sighting records and reports associated with the species.Researchers from the University of Tasmania’s College of Natural Sciences used statistical modeling to reconstruct the decline in Tasmanian tiger numbers and test different extinction scenarios.
The results suggest that although trophy hunting undoubtedly led to declines in numbers, persecution alone struggled to explain the rapid and widespread disappearance observed across Tasmania.The “Thysmanian Tiger Extinction” study found evidence consistent with populations already under severe pressure by the early 20th century.In some areas, sightings declined faster than would have been expected if hunting had been the only factor involved.
This raised the possibility that there may be another process working alongside human persecution.
The disease theory focuses on strange reports from past decades
One of the most interesting explanations comes from historical reports collected by researcher Robert Buddle as part of his study “The Last Straw of the Tasmanian Tiger: Epidemic Disease in the Modern Mammalian Extinction.”In his review of the evidence for the thylacine extinction, Buddle documented accounts describing animals that appeared unusually weak, thin, or unhealthy. Eyewitnesses reported individuals suffering from hair loss and poor physical condition in areas where food resources should have been available.This pattern is similar to what scientists might expect from an epidemic disease spreading among a small, fragmented population.Although there are no biological samples that can conclusively prove that an outbreak occurred, Buddel argues that epizootic disease remains one of the few explanations capable of explaining the speed and geographic scope of the decline.Most importantly, this theory does not replace hunting as a cause.
Instead, it suggests that persecution may have struck a population already weakened by another threat.
The extinction of the Tasmanian tiger may have been a chain reaction
The image of thylacine jaguars as a threat to sheep killing has helped justify decades of organized persecution. Once the rewards were introduced, every dead animal became another reason to eliminate the predator.However, the evidence available today points to a series of events rather than a single cause. Hunting removed thousands of animals.
Habitat pressures have reduced available land. Small populations are becoming increasingly vulnerable. The outbreak may have weakened survivors.The tragedy is that many of these questions were not investigated until after the species disappeared.By the time scientists began seriously examining how well the reputation of thymic tigers matched reality, the world’s largest known carnivorous marsupial had already become a symbol of extinction. What remains is a cautionary lesson about how myths, economic fears, and incomplete evidence can shape the fate of an entire species.
