FILE – In this Dec. 15, 2016 file photo, Colo, a western lowland gorilla, rests in her enclosure at the Columbus Zoo, in Columbus, Ohio.
COLUMBUS, Ohio – The 60th anniversary of the country’s oldest known living gorilla is placing a focus on care for aging zoo animals.
Colo, a female gorilla at the Columbus Zoo and Aquarium. She celebrates her milestone on Thursday.
Colo is the first gorilla in the world born in a zoo and has surpassed the normal life expectancy of gorillas in captivity by two decades.
She is a mother of three children, grandmother of 16, great grandmother of 12 and great-great-grandmother of three. Zoo officials recently removed a malignant tumor, but to say that they do it well.
Experts say that a better medical care, better nutrition and up-to-date therapeutic techniques to help extend of animals in zoos live.
The changes also mean more animals live with the pain of aging.