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From early-morning telemetry beeps to rare sightings in the Kruger bush, this story follows two researchers as they track collared lions to uncover how these apex predators move, cope and survive in a changing environment, all with the help of their trusty Suzuki Jimny.<\/em><\/p>\n \u00a0<\/p>\n Many visitors have driven through the Kruger National Park searching for lions, scanning the bush hoping to catch a glimpse of a golden coat or the flick of a tail. When that moment finally comes, it\u2019s unforgettable: a mixture of excitement, awe and respect for one of Africa\u2019s most iconic apex predators. Ashleigh Donaldson and Kiyana Rehnema of the Wildlife Conservation Physiology team at the University of the Witwatersrand feel the same thrill, and relief, when they hear \u201cbeeps\u201d from their telemetry equipment, signaling that one of their collared lions is nearby. For them, each beep represents an opportunity to observe and study this charismatic species – a privilege that is essential for advancing lion conservation.\u00a0<\/p>\n Credit: Ashleigh Donaldson<\/em><\/p>\n \u00a0<\/p>\n Lions contribute significantly to ecotourism and play a critical role in maintaining ecosystem balance. Yet, lion populations across Africa are in decline with the most recent 2023 estimate suggesting that only 23,000 individuals remain on the continent. Lions in Kruger face many threats, including disease and climate change. Kruger is experiencing increasing air temperatures, unpredictable rainfall, and extreme weather events like drought\u2014conditions that put extra physiological pressure on lions. As part of their research, Ashleigh and Kiyana are studying how lions function, move and behave under varying environmental conditions and disease pressures. Their work involves collecting fine-scale GPS movement and body temperature data alongside a suite of climatic variables from a weather station in Satara.\u00a0<\/p>\n \u00a0<\/p>\n \u00a0Credit: Ashleigh Donaldson <\/em><\/p>\n Credit: Kiyana Rehnema<\/em><\/p>\n \u00a0<\/p>\n Every couple of months, Ashleigh and Kiyana head to Kruger National Park in their Jimny on a mission: to locate their study lions and observe their behaviour. Since lions are mostly nocturnal and most active between sunset and sunrise, they focus their tracking efforts on early mornings and late afternoons. Along the way, they often attract attention from curious tourists who notice the antenna sticking out of their vehicle. When told they\u2019re tracking lions, the usual response is, \u201cAh, so we should just follow you!\u201d – a suggestion that always earns a laugh, because more often than not, it feels like a game of hide-and-seek with their elusive subjects!\u00a0<\/p>\n \u00a0Credit: Andrea Fuller<\/em><\/p>\n When Ashleigh and Kiyana finally locate a collared lion, the real work begins. They record precise GPS positions and make detailed behavioural observations – everything from resting and feeding to social interactions. These data will help link movement patterns to environmental conditions and energy use. Occasionally, they witness something extraordinary, like a lioness perched high in a tree – a rare and delightful sight that adds excitement to their tracking adventures.\u00a0<\/p>\n Credit: Ashleigh Donaldson<\/em><\/p>\n \u00a0<\/p>\n Finding specific lions in a park that\u2019s almost 20,000k is quite a challenge, even with the help of telemetry equipment. The Suzuki Jimny has been a great help to Ashleigh and Kiyana – allowing them to safely travel to their study site, tackle bumpy dirt roads and being compact enough to squeeze through crowded sightings.\u00a0<\/p>\n Credit: Ashleigh Donaldson\u00a0<\/em><\/p>\n \u00a0<\/p>\n<\/div>\n<\/h4>\n
In pursuit of lions, one beep at a time<\/h4>\n
Life is not that easy for the mighty \u2018king of the jungle\u2019<\/h4>\n
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A day in the life<\/h4>\n
Researchers driven by curiosity, and a Suzuki Jimny<\/h4>\n