How Many Zoos Are in the US?

Zoos in the United States

  • Wikipedia lists 278 zoos in the United States. California has the largest number of zoos with 22, followed by Texas with 21. These include public zoos, bird sanctuaries, aquariums, and private zoos opened to the public.

Bronx Zoo, New York

  • The Bronx Zoo opened in 1899. It is the biggest zoo in New York City with 265 acres. The zoo has over 4,000 animals of 650 species. Many species are endangered.

Columbus Zoo and Aquarium

  • The Columbus Zoo and Aquarium is the largest zoo in the United States. This massive zoo is home to over 7,000 animals of 800 different species. The Columbus Zoo and Aquarium measures 580 acres total.

Zoos breed endangered animals. Zoos reintroduce the animals into the wild. Zoos are important for conservation. But there are fewer zoos than expected in the United States. Only about 500 zoological facilities exist. The small number of zoos limits conservation programs.

There are 10,000 zoos worldwide. The Columbus Zoo and Aquarium in Ohio measures 406 acres for the zoo alone. The Columbus Zoo has over 7,000 animals and 800 species.

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