A three-year-old male koala is set to be released after a nine-month recovery following a suspected car strike in South-West Sydney. Rescued with fractures in his right humerus and left clavicle, he received specialised wildlife veterinary care at the University of Sydney's Wildlife Health and Conservation Hospital, where hospital staff and local koala rehabilitators guided his recovery.
Each week, the wildlife hospital, located on our Camden Campus, admits dozens of native animals injured or displaced by urbanisation, habitat loss, and other impacts of human activity and climate change.
Through its ongoing conservation efforts, the hospital gives injured wildlife a second chance at life while helping to protect Australia’s biodiversity.
Swift rescue and first response
In November 2024, a member of the public spotted a 9.75 kg large adult male koala crossing Hansens Road in Minto on the edge of known koala habitat in Sydney’s south-west. Suspecting the koala had been struck by a car, Sydney Wildlife Rescue volunteers responded quickly. With the help of a local tree climber, they encouraged the koala to safely descend from a large tree it had climbed after crossing the road.
Despite the koala's injuries, he had climbed the tree with ease, showing remarkable resilience. Thanks to the rescuers’ swift action, he was transported safely to the Wildlife Health and Conservation Hospital in Camden for urgent, specialised wildlife care.
Dedicated wildlife hospital care
At the wildlife hospital, the veterinary team gave the koala a full health assessment, revealing two fractures: one in his right humerus and the other in his left clavicle.
Veterinarians carefully evaluated treatment options and consulted other koala specialists, before applying a splint and bandage using a specialised technique to promote healing of the fractured bones.
During his initial hospitalisation, the koala spent 15 days at the wildlife hospital, where the team monitored him daily. Veterinarians, including hospital director Associate Professor Annabelle Olsson, Dr Aditi Sriram, Dr Sarah Foo, and Dr Cynthia Chen, led his care, supported by the veterinary nursing team, which provided pain management, fluid therapy, bandaging, diagnostic imaging, and other treatments.
The staff tracked his progress through physical exams, scat counts, feeding observations, and neurological assessments, while providing freshly harvested eucalypt leaves each day.
A team effort
After his discharge from the wildlife hospital, Sydney Wildlife Rescue koala rehabilitators Rhonda Pascoe and Tracey Faith continued to guide his recovery at a bushland rehabilitation facility, moving him into an enclosure with low forks that gently encouraged him to rebuild strength in his injured limbs.
By March, his strength had improved enough for him to move into a larger enclosure with climbing structures, where he practised climbing and steadily regained his mobility.
By June, he was making good progress, but vertical climbing remained a challenge. To help, his rehabilitators added angled tree branches to his enclosure, creating ramps to the larger upright trunks that allowed him to build muscle and move safely.
Throughout his recovery, he returned to the hospital for follow-up checks and ongoing support. The veterinary team conducted health reassessments, diagnostic imaging, pathology testing, and bandage changes, while carefully monitoring both his healing fractures and his gains in strength and mobility.
Dr Sarah Foo is assessing the koala during a follow-up visit at the Wildlife Health and Conservation Hospital in April 2025. He sits a specially designed tree fork, kindly donated by Nepean Men’s Shed and Friendly Fred’s Tree Service, which helps koalas feel at home during their hospital stay. Image: Priscilla Hunt
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LinkCoordinating koala and wildlife care
Liz Arthur, the wildlife hospital’s Koala and Wildlife Carer Coordinator, played a key role in managing the koala’s care. She supported his rehabilitation team by visiting the rehabilitation site regularly, closely monitoring the koala’s progress, and sharing updates to the hospital’s clinical team.
The $4.5M funding grant that established the hospital as the region’s dedicated koala care centre helped to create Liz’s position in 2024. After a 35-year career as a senior veterinary nurse at Taronga Conservation Society Australia's wildlife hospital, Liz now works alongside veterinary staff at the Wildlife Health and Consrvation Hospital coordinating the team effort that supports the rehabilitation and safe release of native wildlife.
Few koalas survive being hit by a car, which makes this release a rare and heartening success. Thanks to the combined efforts of our veterinary staff, volunteer rehabilitators, and researchers, this koala now has a second chance in the wild.
Liz Arthur
Koala and Wildlife Carer Coordinator, Wildlife Health and Conversation Hospital
Preparing for release
After nine months of rehabilitation, recent health assessments and X-rays have confirmed the koala’s fracture has completely healed. His weight and body condition have increased, he is climbing confidently, gripping with both forelimbs and moving with full mobility.
Just days away from release, at his final health check, the koala was fitted with a GPS-VHF tracking collar for a research project led by Dr Valentina Mella. The study will follow rehabilitated koalas to better understand the factors that influence their survival after release. Post-release monitoring will provide valuable insights into this koala’s movements and how well he adapts after an extended period in care.
As part of the final health check, the koala received it's final chlamydia PCR test. This will be processed by the Koala Health Hub, an initiative of the University of Sydney, based within the Sydney School of Veterinary Science and led by Professor Damien Higgins and Professor Mark Krockenberger. The Hub supports the Wildlife Health and Conservation Hospital and other koala care groups, drives research and conservation efforts, and has been instrumental in securing funding for the hospital through its national expertise in koala health.
Once a negative chlamydia PCR test is confirmed, the koala will be cleared for release. His rehabilitation team, together with the NSW National Parks and Wildlife Service, has selected a site that will give him the best chance of thriving back in the wild.
This case shows that specialised wildlife veterinary care is only part of a patient's journey. Following through with rehabilitation is just as vital to give animals the best chance to survive and play their role in conserving the species. It takes a coordinated team effort to make that possible.
Associate Professor Annabelle Olsson
Hospital Director, Wildlife Health and Conversation Hospital
A team effort for koala health
This koala’s remarkable recovery reflects resilience, teamwork, and the dedication of veterinarians, hospital staff, researchers, veterinary students, wildlife rehabilitators, and other stakeholders who actively support his welfare.
His journey back to the wild shows the power of collaboration across clinical, educational, and community settings, and highlights the vital role our Wildlife Health and Conservation Hospital plays in protecting Australia’s biodiversity.
Story by: Amy Emerson, Marketing Assistant,
University Veterinary Teaching Hospitals
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