Goodnight, Colo! Oldest Gorilla in the US Dies in Sleep

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 a huge gorilla family, having lived to see the birth of three children, 16 grandchildren, 12 great-grandchildren and three great-great-grandchildren, according to the Columbus Zoo and Aquarium, where she lived. "Colo touched the hearts of generations of people who came to see her and those that cared f