MIAMI – Zoo Miami’s beloved 12-year-old ambassador cheetah, Diesel, was euthanized last week following a rapid decline in his health, Ron Magill, the zoo’s communication director confirmed Monday.
Diesel, who had exhibited extreme lethargy and a loss of appetite for several days, underwent a veterinary exam and blood tests, revealing a significant increase in his kidney values, according to Magill.
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Magill said despite treatment efforts, including fluids and medication, Diesel’s condition deteriorated, leading to the difficult decision to euthanize him due to advanced renal failure. Cheetahs in human care typically live 12-15 years.
A necropsy confirmed Diesel had severe kidney disease and multiple masses in his liver and adrenal gland, likely cancerous. Zoo Miami confirmed that further analysis will be conducted to confirm the diagnosis.
Diesel and his brother Koda, both born as part of a successful captive breeding program in South Africa, had been at Zoo Miami since 2012, the zoo stated in a press release on Monday.
As ambassadors, they made numerous public appearances to promote appreciation and conservation of cheetahs.
With Koda now easing into retirement, the zoo’s new ambassador cheetah, Winston, will continue the important work of raising awareness, Magill said.
Zoo Miami has long supported cheetah conservation, with staff participating in efforts in Africa and contributing significant funding to these initiatives.