Colo was the oldest gorilla ever on record and the first to be born in human care. She died in her sleep at the Columbus Zoo early Tuesday. She was 60, and lived two decades longer than most gorillas.

Colo was the oldest gorilla ever on record and the first to be born in human care. She died in her sleep at the Columbus Zoo early Tuesday. She was 60, and lived two decades longer than most gorillas.

Life expectancy for gorillas is about 50 years, so Colo beat the odds. At her passing, she had just turned 61 and was the oldest-known gorilla in the world, so this was the end of a truly ...

At her death, Colo, the first gorilla to be born in captivity, had outlived the average gorilla by 20 to 30 years, according to her keepers. In her long time on Earth, Colo became the matriarch of ...

How Colo became the first gorilla born in human care at the Columbus Zoo in 1956 Back in the 1950s, Colo's parents were kept apart. But a part-time worker named Warren Thomas broke the rules.

Colo was the oldest gorilla ever on record and the first to be born in human care. She died in her sleep at the Columbus Zoo early Tuesday. She was 60, and lived two decades longer than most gorillas.

Colo, a Western Gorilla, rests in her enclosure at the Columbus Zoo, Thursday, Dec. 15, 2016, in Columbus, Ohio. Colo, the very first born and oldest surviving gorilla in captivity will celebrate ...

Colo was the oldest gorilla ever on record and the first to be born in human care. She died in her sleep at the Columbus Zoo early Tuesday. She was 60, and lived two decades longer than most gorillas.