Saint Louis Zoo swaps lowland gorillas with Brookfield Zoo to help save species

Updated: Feb. 6, 2023 at 4:45 PM CST
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The Saint Louis Zoo gave the Brookfield Zoo 26-year-old Jontu in exchange for 7-year-old Zachary. The elder gorilla was moved to Chicago based on a breeding recommendation by the Association of Zoos and Aquariums Species Survival Plan for western lowland gorillas.