Successful phased‐release reintegration of captive‐origin cheetah for metapopulation supplementation
Allison A. Muller, Willem Briers‐Louw, Marna Smit, Nynke Wemer, Olivia Sievert, Alison J. Leslie, Vincent N. NaudeAbstract
Conservation programs increasingly require consideration of rehabilitated individuals for translocations to reduce pressure on highly threatened wild populations. Such supplementation remains controversial due to the influence of captivity on natural behaviors. However, determining the relative conservation value of translocations requires quantifiable measures of success through post‐release monitoring over defined timescales. This case‐study evaluates the short‐term translocation success of captive‐origin cheetah ( Acinonyx jubatus ) after phased‐release reintegration into the wild in South Africa. After phased‐release training, collared cheetah ( n = 12) were released into fenced metapopulation reserves ( n = 7) and monitored intensively (2019–2021). Monthly home‐range size and overlap, as well as habitat use stabilized within 6 months for all individuals, with significant deviations representing confirmed denning events. A metapopulation‐specific cheetah body condition score was used in parallel with kill‐site cluster analysis to support direct prey consumption observations as a novel monitoring tool. While three cheetah suffered natural mortalities during the monitoring period, all females successfully mated within the first 4 months post‐release. To date, these reintegrated cheetah have contributed toward 36 first‐ and 19 second‐generation cubs, 33 of which reached independence and integrated into the wild‐born metapopulation, supplementing growth, but also providing critical demographic and genetic resilience. Rapidly evaluating such translocation success through monitoring directly informs post‐release carnivore management.