16/07/2026
Dr Michael "Gus" Mills (1946–2026): Leaving a legacy
The Southern African Wildlife Management Association mourns the passing of Dr Michael "Gus" Mills, one of Africa's most respected carnivore scientists and field ecologists. His passing on 12 July 2026 marks the loss of an exceptional scientist, conservationist, mentor, friend and true conservation character whose influence spans generations of wildlife professionals.
For more than five decades, Gus dedicated his life to understanding Africa's large carnivores in the field. Whether following hyaenas and cheetahs across the dunes of the Kalahari or African wild dogs through the savannas of the Kruger National Park, his work was never simply about individual species. He sought to understand the ecological relationships between predators, prey and landscapes, believing that effective conservation depended on maintaining natural ecological processes rather than managing wildlife as isolated populations.
During his career with SANParks, the Endangered Wildlife Trust and later the Lewis Foundation, Gus led and contributed to many of southern Africa's most significant carnivore conservation initiatives. His long-term monitoring of African wild dogs in the Kruger National Park through tourist photographic surveys continues to this day with the inclusion of cheetahs. He played a pivotal role in developing South Africa's managed metapopulation approach for African wild dogs, which ultimately led to the establishment of the Wild Dog Advisory Group (WAG), which remains active more than 25 years later.
He was a long-standing and highly respected member of SAWMA, embodying the values upon which it was founded: science in service of practical wildlife management. He was a familiar and welcome presence at SAWMA conferences, where he shared not only the results of his research but also the wisdom that came from decades of patient observation in the field.
Gus understood that conservation is ultimately about people. He supervised numerous postgraduate students, mentored countless young scientists and wildlife managers, and was always generous with his knowledge, time and encouragement. Despite his international standing, his humility, curiosity and willingness to engage made him approachable to everyone.
A prolific author, Gus published seven books and more than 150 scientific papers, leaving behind an extraordinary body of work that continues to shape wildlife management across Africa. He also served the scientific community for more than two decades on the Editorial Board of the African Journal of Wildlife Research. In recognition of his remarkable contribution to wildlife conservation, SAWMA awarded him the Wildlife Excellence Award in 2016.
Those who knew Gus will remember far more than his publications and awards. They will remember his warmth, humility and mischievous sense of humour. His long-running, tongue-in-cheek "dislike" of wildlife vets became a standing joke at carnivore workshops, even culminating in him being challenged to publicly hug a vet, much to everyone's amusement. We suspect he also secretly enjoyed the tradition of colleagues sabotaging his PowerPoint presentations by secretly slipping in an unexpected slide, most often of him enthusiastically dancing around a campfire at his niece Harriet's wedding.
SAWMA has lost one of its most distinguished members and one of southern Africa's true conservation pioneers. His legacy lives on in the landscapes he helped us understand, the conservation programmes he helped build, the students and colleagues he inspired, and the generations of wildlife managers whose work continues to be guided by his science.
On behalf of SAWMA, we extend our deepest condolences to Margie, Michael, Debbie, their family, friends, colleagues, former students and the wider conservation community.
