What is the biggest zoo in the world?

The two largest zoos in the world are operated by the Zoological Society of San Diego. The San Diego Zoo is one of the two zoos the Zoological Society of San Diego runs, and the other is the San Diego Wild Animal Park. Zoos don't have to be large and elaborate to be admired. The Arizona-Sonora Desert Museum is one example. Located in the hot, dry climate of Tucson, Arizona, this small zoo mainly exhibits native wildlife species from the desert around the zoo, but the way it's exhibited has

Chongqing in southwest China. About 100 species of wild animals have been transported from overseas to the zoo, ranking it first in China. Thousands of animals including white rhinoceroses and kangaroos have come from 14 countries, such as Tanzania, South Africa and Argentina. The zoo was built at a cost of 360 million yuan and covers an area of 333 hectares. It is planning to have a total of 430 species of animals in the years to come

The biggest national wild animals zoo opened in Chongqing in southwest China. About 100 species of wild animals have been transported from overseas to the zoo, ranking it first in China. Thousands of animals including white rhinoceroses and kangaroos have come from 14 countries, such as Tanzania, South Africa and Argentina. The zoo was built at a cost of 360 million yuan and covers an area of 333 hectares. It is planning to have a total of 430 species of animals in the years to come.

The zoo will also do research on animal protection and gene studies.

I think I read some where that Sydney Australia is the largest in the world. I've been to san diego and I'd say its definately in the top five.

thats what i want to know to