Some sad news announced earlier, copied off Facebook. This leaves 3:1
We are deeply saddened to share that Koko, our eldest chimpanzee, has passed away.
Koko lived to the remarkable age of 52, having outlived the average chimp by more than a decade. Sadly, progressive age-related arthritis and mobility issues were impacting her quality of life.
Like any geriatric animal in our care, Koko had been under veterinary observation for some time, and she had her own treatment plan for any ailments as she advanced into the latter stages of life, including arthritis in her hands.
However, earlier this week, Koko’s keepers noticed that she had reduced mobility when moving around the paddock, and was unable to use her right arm or leg properly when walking. Vets increased her pain medication to treat the condition, but they could see that her ability to walk was not improving.
An examination of Koko under general anaesthesia confirmed that she had progressive age-related arthritis. Knowing that Koko would only continue to worsen as she wasn't responding to treatment, it was decided that the kindest option for her would be euthanasia.
Teague Stubbington, Curator of Mammals at Whipsnade Zoo, said: “Koko lived an incredibly long and full life, a reflection of the dedication and care shown to her by her keepers and vets. Those who worked with her formed a deep and lasting connection, and she will be remembered fondly as a sweet and special member of the chimpanzee troop.”
Born at Dudley Zoo, Koko moved to London Zoo when she was nine, before heading to Whipsnade at age 33. She lived through many milestones, including meeting the late Dame Jane Goodall when she visited Whipsnade Zoo.
Teague continued: “Her legacy lives on not only through those she left a lasting impression on, but through the impact she has made on advancing the conservation of her species. During her time at Whipsnade, Koko was trained to use finger monitors so vets and keepers could gather ECG readings, as well as conduct ultrasound examination on her heart, to help understand more about chimpanzee cardiovascular health. This data was shared with the Great Ape Heart Project, to help create a centralised database on great ape heart health – fuelling important research projects, as well as ensuring primates receive the best possible care at conservation centres around the world.”
“The primate team will now focus on taking care of the rest of the troop at Whipsnade - Bonnie, Elvis, Grant and Phil.”
Please share your memories or photos of Koko in the comments.
Read more at
An update on Koko the chimpanzee | Whipsnade Zoo