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COLUMBUS, Ohio (AP) — A gorilla that officials say is the oldest known gorilla living in a zoo has celebrated her 59th birthday with a party in Ohio.

The western lowland gorilla named Colo (KOH’-loh) celebrated her birthday on Tuesday at the Columbus Zoo with toys and an ice cake containing treats such as clementines and tomatoes frozen inside. The party was streamed online so viewers could see Colo’s habitat draped with colorful construction paper chains and watch zoo staff and visitors serenade her.

Colo was born at the Columbus Zoo in 1956 and has more than two dozen descendants at zoos across the country.

Zoo officials say the median life expectancy for female gorillas living in a zoo is about 37 years.