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In an era when biodiversity loss is one of the most pressing crises of our time, one man’s remarkable perseverance and bold vision have defied the odds and rewritten what is possible in species conservation. Professor Carl G. Jones MBE, chief scientist at the Durrell Wildlife Conservation Trust and scientific director of the Mauritian Wildlife Foundation, is widely credited with saving more species from extinction than almost any other living conservationist. His hands-on, adaptive techniques have brought some of the rarest creatures on Earth back from the brink, pioneering modern species recovery science and inspiring a generation of conservationists worldwide. (durrell.org)
From Wales to the Indian Ocean: A Life’s Work Begins
Born in 1954 in Carmarthen, Wales, Carl Jones’s fascination with animals began in childhood. Surrounded by nature, he spent countless hours observing and caring for wildlife — from owls and kestrels to badgers and tadpoles. What started as youthful curiosity soon grew into a lifelong commitment to understanding and protecting the world’s most vulnerable species. (durrell.org)
After completing his master’s and doctorate at the University of Wales, Swansea, Jones began working in Mauritius in 1979 on what was intended to be a short-term project to conserve the island’s wildlife. Instead, he found himself confronting one of conservation biology’s most desperate challenges: the impending extinction of the Mauritius kestrel. (Wikipedia)
Mauritius Kestrel: A Symbol of Hope
By the mid-1970s, the Mauritius kestrel (Falco punctatus) had declined to just four known individuals in the wild — making it the rarest bird on the planet. Conventional wisdom of the time suggested the species’ fate was sealed. Previous conservationists had tried and failed to stabilize the dwindling population. Yet Jones, then a young and relatively inexperienced biologist, refused to give up. (durrell.org)
Rather than retreat, Jones stayed in Mauritius when others advised him to “pull out elegantly” — a polite euphemism for abandoning the project. Undeterred, he immersed himself in the birds’ lives. He pioneered active, hands-on methods that today are foundational in species recovery science: captive breeding, supplementary feeding, nest-site enhancement, predator control, and carefully monitored release programs. (The Guardian)
Jones used innovative techniques such as “double-clutching”, in which the first clutch of eggs is removed for captive rearing, encouraging the wild female to lay a second set. He also provided food at nest sites and protected nests from invasive predators like mongooses — sometimes personally removing threats while in the field. These practical, adaptive interventions dramatically increased the birds’ reproductive success. (The Guardian)
The results were spectacular. Over the span of a decade, Jones’s efforts helped grow the kestrel population from its near-extinction low to more than three hundred individuals in the wild — a recovery once deemed impossible. (durrell.org)
Beyond One Species: A Broader Conservation Vision
Jones’s work didn’t stop with the kestrel. Recognising that saving one species without restoring its ecosystem would be insufficient, he expanded his focus to safeguard entire ecological communities. His work has been instrumental in rescuing other critically endangered species endemic to the Mascarene Islands, including the echo parakeet, the pink pigeon, and several reptiles and mammals. (durrell.org)
The pink pigeon (Nesoenas mayeri), for example, teetered on the brink of extinction in the early 1990s, with only about ten individuals known to exist. Through dedicated captive breeding, habitat management, and strategic population releases, Jones and his team helped increase its population to hundreds of birds, enough for the International Union for Conservation of Nature (IUCN) to downlist the species from Critically Endangered to Vulnerable. (Wikipedia)
Similarly, the echo parakeet — once reduced to just a handful of wild birds — has seen its numbers rebound significantly under Jones’s guidance. These impressive recoveries are a testament to his ability to combine meticulous fieldwork with creative problem-solving. (Mongabay)
Jones has also championed the concept of “ecological replacement”, in which a species outside its historic range is introduced to fulfil ecological roles lost with the extinction of native species. One notable example was the reintroduction of Aldabra giant tortoises to Round Island, an islet devastated by invasive goats and rabbits. By restoring a key ecological function — grazing and seed dispersal — these tortoises helped awaken a denuded ecosystem, encouraging native plant regeneration and restoring ecological balance. (durrell.org)
Building Institutions, Influencing Global Conservation
Jones’s impact extends far beyond individual species. In 1984, he became a founding member of the Mauritian Wildlife Foundation (MWF), an organisation that has become central to the conservation of Mascarene biodiversity. Under his scientific leadership, MWF has grown into one of the most respected conservation NGOs in the region, training generations of local conservationists and ensuring that knowledge and capacity remain rooted within the communities most connected to the wildlife they protect. (durrell.org)
His influence also helped establish Black River Gorges National Park, Mauritius’s first national park, in 1994 — a key step in protecting and managing the island’s remaining natural habitats. (durrell.org)
Jones’s success has inspired conservationists globally. The practical techniques he developed are now applied in projects around the world, demonstrating that with dedication, ingenuity, and long-term commitment, even the most desperate conservation challenges can be addressed. (kent.ac)
Accolades and Recognition
In recognition of his extraordinary contributions, Carl Jones has received numerous awards. In 2004, he was appointed a Member of the Order of the British Empire (MBE) for his conservation work. His crowning achievement came in 2016 when he was awarded the Indianapolis Prize, often described as the “Nobel Prize for Conservation.” Selected from a pool of distinguished conservationists, Jones received the unrestricted $250,000 award and the prestigious Lilly Medal for his enduring impact on saving species from extinction. (durrell.org)
Simon N. Stuart, Chair of the IUCN Species Survival Commission and Jones’s nominator for the award, stated: “I know of no other conservationist who has directly saved so many species from extinction.” (Mongabay)
Yet for Jones, the accolades are not the end goal — they are a platform to amplify the importance of conserving all species, not just the charismatic ones. As he has stressed repeatedly, smaller, lesser-known organisms play critical roles in ecosystem functioning and deserve equal attention and effort. (durrell.org)
A Legacy of Resilience and Hope
Today, Carl Jones continues his work with unflagging determination. Splitting his time between Wales and Mauritius, he remains deeply involved in monitoring populations, advising new projects, and mentoring early-career conservationists. Under his guidance, hundreds of practitioners from around the world have honed their skills and taken his lessons into new contexts. (durrell.org)
His story is a powerful reminder that even in the face of overwhelming odds — when ecosystems are collapsing and extinctions loom — dedicated individuals and long-term, science-based intervention can make a tangible difference. As biodiversity continues to decline globally, Jones’s work stands as a beacon of what is possible: a world where species once presumed lost can flourish again. (durrell.org)
In the words of many who have worked alongside him, Carl Jones is not just a conservationist — he is a builder of futures. Through his unwavering commitment, he has helped rewrite the fate of species, restored islands thought beyond repair, and shown the world that where there is will, there is hope.
