First gorilla born in captivity, age 59, returns to Ohio zoo after surgery

The first gorilla born in captivity has returned to her enclosure at the Columbus Zoo and Aquarium in Ohio after recovering from successful surgery last week to remove a malignant tumor, the zoo said. Colo, a western lowland gorilla born on Dec. 22, 1956, is the matriarch of the Columbus Zoo’s popular gorilla family, according to the zoo’s website. Western lowland gorillas, native to the rain forests of Central Africa, are an endangered species, according to nationalgeographic.com.
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