The Pittsburgh Zoo is one of only six major zoo and aquarium combinations in the United States. Located in Pittsburgh, Pennsylvania's Highland Park, the zoo sits on 77 acres of park land where it exhibits more than 4,000 animals representing 475 species, including 20 threatened or endangered species.
The Pittsburgh Zoo opened on June 14, 1898, as Highland Park Zoo, after Christopher Lyman Magee donated $125,000 for the construction of a zoological garden in Pittsburgh's Highland Park. Like most other zoos of the time, the Pittsburgh Zoo more closely resembled a menagerie than an actual zoo. However, as time progressed, the animal exhibits eventually became more naturalistic, and the zoo's goal became more focused on conservation.
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