So what is the largest zoo in the world? The answer to this inquiry relies upon what criteria are utilized for the expression “large” Are we estimating the quantity of species held in captivity or the total land zone of the zoo? If we consider just the later the Red McCombs Wildlife in Texas with its 12,000 sections of land could be viewed as the greatest zoo in the world. But it has just 20 diverse species and is to a greater degree a protected land than a genuine zoo. Simply thinking about the quantity of species anyway additionally doesn’t appear to possess all the necessary qualities. 

This list in this way considers both these highlights to figure out which is the biggest zoo in the world.

• Henry Doorly Zoo and Aquarium

This zoo is certifying by the Association of Zoos and Aquariums. It also shows up in the list of the world’s best zoos. As to animal conservation and examination unit, Henry Doorly zoo is considered to have a first class authority. This zoo has an incredible 17,000 creatures having a place with around 962. If you want to visit the zoo, well it is available to the general population during the time from 9.00 am to 5.00 pm put something aside for the Christmas day.

• Berlin Zoological Garden

Opened in 1844 the Berlin Zoological Garden is the most seasoned and most popular zoo in Germany. It covers 84 sections of land and is situated in Berlin’s Tiergarten. With in excess of 1,500 unique species and around 17,000 animals the zoo presents the biggest assortment of species on the planet. Popular occupants of the zoo incorporate Bao the Giant Panda and Knut the polar bear.

• Beijing Zoo

It is situated in China. The zoo sits on a 890,000-square meter land and is a home to 14,500 animal of around 950 species. Measurably, the zoo gets sightseers to the tune of 6 million yearly. Beijing zoo is known for facilitating a portion of the world’s exceptional animals, for example, the giant pandas and white-lipped deer. It is available to the open regularly from 7.30 pm to 5.00 pm.

• The Bronx Zoo

The greatest urban zoo found in the United States, Bronx Zoo is built up on a ground of 265 rambling sections of land loaded up with naturalistic animal territory, high and lowlands and Bronx River coursing through it. The zoo is very notable for its different and huge combination of different species, and Animal Planet publicized a documentary series on the zoo. It’s a active member of Wildlife Conservation Society just as embraced by Association of Zoos and Aquariums. 

• Toronto Zoo

Situated in Toronto and incorporating 710 sections of land (287 ha), the Toronto Zoo is the biggest zoo in Canada. The zoo is at present home to more than 16,000 animals speaking to more than 491 species. The animals are divided into seven geographic areas: Indo-Malaya, Africa, Americas, Tundra Trek, Australasia, Eurasia and the Canadian Domain.

• San Diego Zoo

The San Diego Zoo is one of the most well known zoos on the planet with more than 4,000 animals of in excess of 800 species. The 100 sections of land (40 ha) of parkland is rented from the City of San Diego. The radiant maritime atmosphere of southern California is appropriate to numerous animals. The San Diego Zoo is additionally amazingly dynamic in protection and safeguarding efforts and numerous species are reproduced in captivity for release into their local natural surroundings where appropriate. 

• Moscow Zoo

Open for guests since 1864, the Moscow Zoo is probably the most established zoo in Europe. Today, the Moscow Zoo has more than 6000 animals representing to 927 species and spreads a territory of around 53 sections of land (21.5 ha) making it Russia’s biggest zoo.

• Columbus Zoo and Aquarium

Situated in Ohio, United States, Columbus zoo sits on 2,340,000 square meters of land, making it the second biggest on the planet as far as space. It is a non-benefit office that has around 7,000 animals of 800 species. With the exception of Christmas and Thanksgiving days, the zoo is available to guests consistently during the time from 9.00 am to 5.00 pm.