2020, due to the COVID-19 pandemic. Notable animals (past and present) Ziggy was a 6.5 ton male Asian elephant Binti Jua is a female western lowland gorilla Cookie, a Major Mitchell's cockatoo, had been part of the zoo's collection since the opening in 1934 until his death in 2016. Animal list Australia House Big Cats Clouded Leopard Rain Forest Desert's Edge Feather & Scales Free Flight Room Frogs & Reptiles Great Bear Wilderness Habitat Africa! The Forest Habitat Africa! The Savannah Habitat Africa! (The Savannah) Kopje Free Flight Aviary Hamill Family Play Zoo Hamill Family Wild Encounters Hoofed Animals (The) Living Coast Pachyderm House Pinniped Point California sea lion Gray seal Regenstein Wolf Woods Mexican gray wolf Seven Seas Atlantic bottlenose dolphins (The) Swamp Tropic World Other Animals American white pelican Desert tortoise Domestic guineafowl Glass bloodfin tetra Indian peafowl Neon tetra Radiated tortoise Serpae tetra Trumpeter swan White stork Butterfly House (species list tbc) Former Holdings Xtreme BUGS! (2012) Dinosaurs Alive!, Series 1 (2009) Allosaurus Apatosaurus Baryonyx Deinonychus Dilophosaurus Huanghetitan Metriacanthosaurus Omeisaurus Parasaurolophus Protoceratops Pteranodon Stegosaurus Triceratops Tyrannosaurus rex Yangchuanosaurus Dinosaurs Alive!, Series 2 (2013) Alxasaurus Amargasaurus Carnotaurus Confuciusornis Dyoplosaurus Gigantoraptor Kosmoceratops Microraptor Olorotitan Pachycephalosaurus Shantungosaurus Sinosauropteryx Spinosaurus Styracosaurus Tuojiangosaurus Velociraptor Dinosaurs Alive!, Series 3 (2017) Ankylosaurus Dracorex hogwartsia Megalosaurus Quetzalcoatlus Utahraptor Dinosaurs Alive!, Series 4 (2020) Argentinosaurus Azhdarcho Cryolophosaurus Datousaurus Gallimimus Maiasaura Majungasaurus Pentaceratops Rapetosaurus Shunosaurus Tarchia Tenontosaurus Troodon Dinosaurs Alive!, Series 5 (2021) Brachiosaurus Dragons! (2017) Ice Age Giants! (2022) Notable staff Chicago cartoonist John T. McCutcheon was the president of the Chicago Zoological Society from 1921 until 1948 and oversaw the zoo's construction, opening and its early years, including helping it through the war years, when the zoo saw a decrease in attendance. Grace Olive Wiley briefly worked as a reptile curator at the zoo in 1935. George B. Rabb was the director of Brookfield Zoo from 1976 until 2003, having originally worked as a researcher and an assistant to the director. Conservation programs The Brookfield Zoo has a conservation project in Punta San Juan, Peru. Disney World partnered with the zoo by giving a $25,000 grant assigned specifically to the work in Punta San Juan, Peru, which helped the Chicago Zoological Society conservationists gain clearance into the highly restricted and protected area. The CZS has hired multiple people that already worked for the reserve to help build a conservation research team. Samples are taken from