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An exposition’s legacy
The San Diego Zoo grew out of the animals left behind after the Panama–California Exposition of 1915. Dr Harry M. Wegeforth founded the Zoological Society of San Diego, which first met on 2 October 1916, and in 1921 land was set aside in Balboa Park, where the zoo began to move the following year.


Habitats without bars
The zoo pioneered open, moated exhibits: its first lion area without enclosing wire opened in 1922. Belle Benchley, its director from 1925 to 1953, guided it through its early decades.
A garden of animals
Today the zoo covers about 100 acres of Balboa Park leased from the City of San Diego, and it is an accredited botanical garden as well as a zoo. Newer habitats include Elephant Odyssey (2009), Africa Rocks (2017) and Wildlife Explorers Basecamp (2022), and in August 2024 the giant pandas Yun Chuan and Xin Bao made their debut at Panda Ridge.


