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Australian feral camel

Feral camels in Australia

  • 15 min read
  • 4 chapters
Dromedary camel in outback Australia, near Silverton, NSW.
Jjron · CC BY-SA 3.0

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Through Indian subcontinent, Australia and Afghanistan

Imported to Australia as valuable beasts of burden from British India and Afghanistan during the 19th century (for transport and sustenance during the exploration and colonisation of the Red Centre), many were casually released into the wild after motorised transport negated the use of camels in the early 20th century. This resulted in a fast-growing feral population with numerous ecological, agricultural, and social consequences. Australia has the largest population of feral camels, which is notable for being disease-free and the only herd of dromedary camels exhibiting wild behaviours in the world.

In 2008, the number of feral camels was estimated to be more than one million, with the capability of doubling in number every 8 to 10 years. An AU$19 million culling program was funded in 2009, and by 2013 a total of 160,000 camels were slaughtered, estimating the feral population to have been reduced to around 300,000, with an annual growth of 10% per year. A post-kill analysis projected the original count to be around 600,000.

Consequences

Effects on the environment

Camels are known to cause serious degradation of local environmental and cultural sites and native vegetations, particularly during dry conditions. They directly compete with endemic animals, such as kangaroos and other marsupials for food sources and shelters; camels may further thrive as they are able to digest many unpalatable (to other mammals) species of plants. Camels are known for their abilities to survive without water, however, when a source of hydration is available, even a small herd can consume much of the available water, and soil the water in the process (making it unsafe for drinking by other animals, and creating a pathogen-fostering environment).

Although their effects on the environment are not as severe as some other introduced species, camels ingest more than 80% of the plant species available. Degradation of the environment occurs when densities exceed two animals per square kilometre, which is presently the case throughout much of their range in the Northern Territory where they are confined to two main regions: the Simpson Desert and the western desert area of the Central Ranges, Great Sandy Desert and Tanami Desert. Some traditional food plants harvested by Aboriginal people in these areas are seriously affected by camel-browsing. While having soft-padded feet makes soil erosion less likely, they destabilise dune crests, which can contribute to erosion. Camels also have a noticeable effect on salt lake ecosystems, and have been found to foul waterholes.

Australian feral population is (one of) the last wild herds of the dromedary, and some researchers think the camels (and other introduced animals) may actually benefit their ecosystem in various ways. They may fill lost ecological niches of extinct Australian megafauna, such as Diprotodon and Palorchestes, a theory similar to the concepts of Pleistocene rewilding, and contribute to a decline in wildfires. Additionally, camels can be an effective counter against introduced weeds.

Economic and social consequences

Feral camels can cause damage to sites of cultural significance to Aboriginal people, such as burial sites, ceremonial grounds, and water places. Damage to seasonal food sources, outstations and infrastructure, and native biomes causes further disruption to communities. Direct camel control and management costs, restoration of damaged infrastructure, and agricultural and livestock disruption can be financial burdens.

Australian feral camels can be aggressive when they encounter herds of domestic livestocks, and can also be dangerously territorial towards people particularly in the mating season, having sensitive females with newly born calves, and rutting males. Pastoralists, representatives from the Central Land Council, and Aboriginal landholders in the affected areas were among the earliest complainants.

Infrastructure

Camels can do significant damage to infrastructure such as taps, pumps, and toilets, as a means to obtain water, particularly in times of severe drought. They can smell water at a distance of up to five kilometres, and are even attracted by moisture condensed by air conditioners. They also damage stock fences and cattle watering points. These consequences are felt particularly in Aboriginal and other remote communities where the costs of repairs are prohibitive.

The carcasses of camels trampled by herds while searching for water near human settlements can cause further problems.

In the summer of 2025/6, the Anangu Pitjantjatjara Yankunytjatjara (APY Lands) were plagued by feral camels in search of water, causing damage to water infrastructure in the region. Many died, with the disposal of carcasses becoming a problem for affected communities.

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