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Largest Zoos in the World

1. Sri Venkateswara Zoological Park

Sri Venkateswara zoological park is the largest zoo in the world by area. It covers an area of 5,532 acres (22.39 square kilometers). This zoo is founded on 29 September 1987. This world’s largest zoo is named after the Lord of Seven Hills in Tirupati “Sri Venkateswara”.

The major exhibits on this zoo are Elephant, peafowl, Sambar deer, parakeet, regular leopard, lions, wild boar, white tiger and crocodile, black bear and more. This zoo has a Guinness Book of World Records of the world’s biggest leopard on the name of the Balaji leopard. He weighed 139–143 kg (306–315 lb). He died at the age of 27 on June 11, 2013, due to illness and old age.

Area‎: ‎5,532 acres (2,239 ha)
Location‎: ‎Tirupathi, Andhra Pradesh, India
Timing: Summer (March to August): 8.30 AM to 5.30 PM | Winter (September to February): 9.00 AM to 5.00 PM

Major exhibits: Elephant, peafowl, Sambar deer, parakeet, regular leopard, lions, wild boar, white tiger and crocodile, black bear
Date opened‎: ‎1987

2. Smithsonian Conservation Biology Institute

The Smithsonian Conservation Biology Institute (SCBI) is a part of the Smithsonian Institution. It is located just outside the town of Front Royal, Virginia, and has a 3,200-acre (13 km2) campus. It has Smithsonian National Zoological Park as its part. We consider the total land area of Smithsonian Conservation Biology Institute in the largest zoo in the world by area.

Total Land Area: 3,200 acres (13 km2)

Smithsonian National Zoological Park

The Smithsonian National Zoological Park is one of the oldest zoos in the United States with 400 species in it. It is part of the Smithsonian Institution and does not charge admission. The major exhibits here are Amazonia, Asia Trail, Giant Panda Habitat, Great Ape House, Think Tank.

Area: 163 acres
Address: Smithsonian’s National Zoo & Conservation Biology Institute 3001 Connecticut Ave., NW Washington, DC 20008

Date opened‎: ‎May 6, 1889
No. of Animals: 2,000
No. of species‎: ‎400

3. Living Desert Zoo and Gardens

Living Desert Zoo and Gardens is formerly known as the Living Desert Museum. It is a desert botanical garden and a zoo which is located in Palm Desert, Riverside County, California, United States. The Living Desert Zoo includes the Sonoran Desert of the Coachella Valley and Santa Rosa Mountains foothills near Palm Springs, California.

Area: 1,800 acres (730 ha)
Location: Palm Desert, California, United States
Timing: Open 8:00am to 5:00pm

No. of animals: 430
No. of species: 150

4. San Diego Zoo Safari Park

Till 2010, The San Diego Zoo Safari Park was named as San Diego Wild Animal Park. After that its name has changed. It is situated in the San Pasqual Valley area of San Diego, California, near Escondido with total area of 1,800 acre (730 ha).

It is one of the largest tourist attractions in San Diego Country. The park has a large number of wild and endangered animals that includes species from the continents of Africa, Asia, Europe, North and South America, and Australia.

San Diego Zoo is part of this Safari Park. We included the total area of San Diego Zoo and Safari park in this list of the largest zoos in the world.

Total Land Area: 1,800 acres (7.3 km2)

San Diego Zoo, California

Located in California, San Diego is one of the best and also one of the largest zoos in the world. Covering a total land area of about 100 acres, it is one of the rare zoos to accommodate and breed giant panda. However, it also encompasses several species and subspecies of animals. Apart from preserving and conserving the wild animals, it also ensures an open-air exhibit for each animal with an aim to eventually release the animals into the wild in the future.

Moreover, The San Diego Zoo Global is a not-for-profit organization that operates the San Diego Zoo and the San Diego Zoo Safari Park is working to save species worldwide by uniting expertise in animal and plant care and conservation science with a dedicated inspiring passion for nature.

Area: 100 acres
Location: 2920 Zoo Dr, San Diego, CA 92101, USA
Timings: 09:00 AM to 06:00 PM

Date Opened: 1916
No. of Animals: 3,700+
No of Species: 650+

5. Arignar Anna Zoological Park

Arignar Anna Zoological Park is one of the modern and scientifically managed located in Vandalur, Tamil Nadu, India. It is the Second largest zoological park in India and houses 2,553 species of flora and fauna across 1,265 acres of area. It is the second-largest zoo in the world by acreage. It was established with an objective to be a repository of the state’s fauna. Also, It is credited with being the second wildlife sanctuary in Tamil Nadu after Mudumalai National Park.

Moreover, it is one of the most popular picnic spots in Vandalur and is an amazing place to discover the flora and fauna of the region. In addition to having an extensive collection of endemic and exotic animals, here visitors can also experience the wild first hand with a trip to safari parks where lions and deer can be easily spotted.

Area: 1,265 acres
Location: GST Road, Vandalur, Chennai, Tamil Nadu 600048
Timings: 9 AM to 6 PM from Wednesday to Monday. Tuesday Closed

No. of animals: 2,302 (2017)
No. of species: 169 (2017) 
Date Opened: 1855
Annual visitors‎: ‎1.77 million (2016-2017)

6. North Carolina Zoo

The North Carolina Zoo is located in North Carolina, just south of Asheboro in Randolph County. It is located on a total area of 2,600 acres (1,100 ha) in which 500 acres (200 ha) is a developed area. It is the world’s largest natural habitat zoo in the world and one of two state-supported zoos.

Land area: 2,600 acres (1,100 ha)
Address: Asheboro, North Carolina, United States
Timing: 9 a.m. – 4 p.m.

No. of animals: 1,800
No. of species: 250

7. Nandankanan Zoological Park

Nandankanan Zoological Park is a zoo and botanical garden in Bhubaneswar, Odisha, India with total area of 437-hectare (1,080-acre). It was established in 1960 and opened to the public in 1979 and became the first zoo in India to join World Association of Zoos and Aquariums (WAZA) in 2009. It includes Chandaka forest, and the 134-acre (54 ha) Kanjia lake.

Land area: 437 ha (1,080 acres)
Address: Bhubaneswar, Odisha, India
Timing: April to September (07.30 hrs. to 17.30 hrs.) | October to March (08.00 hrs. to 17.00 hrs.) | Zoological Park remains closed every Monday

No. of animals 3517 (2019-03-31)
No. of species 157 (2019)

8. Zoo Miami

The Zoo Miami, also known as Miami-Dade Zoological Park and Gardens is the largest zoo in the United States as well as the largest zoo in North America. Zoo Miami has approximately 750 acres (304 ha) of ara but only 324 acres (131 ha) of which has developed. This zoo houses over 3,000 animals.

The zoo was open in 1948 as Crandon Park Zoo then relocated on July 4, 1980, as Miami MetroZoo.

Area:  750 acres (304 ha) (324 acres (131 ha) developed
Location: Miami-Dade County, Florida, United States
Timings: 10:00 AM – 5:00 PM

No. of animals: 3000
No. of species: 500 
Date Opened: 1948 as Crandon Park Zoo | July 4, 1980, as Miami MetroZoo

9. Toronto Zoo

Founded by Hugh A. Crothers, the Toronto Zoo is located in Toronto, Ontario, Canada. With a total land area of about 710 acres, Toronto zoo is the largest zoo in Canada. Encompassing more than 5000 different animal species, it is a popular attraction amongst tourists belonging to different regions all over the world. Also, it is Canada’s premier zoo known for its interactive education and conservation activities.

Area: 710 acres
Location: 2000 Meadowvale Rd, Toronto, ON M1B 5K7, Canada
Timings: 09:30 AM to 04:30 PM (Mon-Fri); 09:30 AM to 06:00 PM (Sat, Sun)

Date opened‎: ‎August 15, 1974
No. of animals: 5,000+
No. of species‎: ‎460+
Annual visitors‎: ‎1,462,910 (2013)

10. Indira Gandhi Zoological Park

Indira Gandhi Zoological Park is located at Kambalakonda Reserve Forest in Visakhapatnam, Andhra Pradesh, India. It is surrounded by the Eastern Ghats on three sides and the Bay of Bengal on the fourth side. It covers an area of 625 acres (253 ha). This zoo is the third-largest zoo in India and named after the former Prime Minister of India, Indira Gandhi.

Land area 625 acres (253 ha)
Address: near Dairy Farm, Yendada, Visakhapatnam, Andhra Pradesh 530040
Timing: 9:00 AM to 5:00 PM everyday. | Closed on Monday.

No. of animals 850
No. of species 75

11. Columbus Zoo and Aquarium

Designated as the topmost zoological garden in the United States, Columbus zoo has a diverse attraction that offers a memorable experience to its visitors. Covering an area of about 580 acres of land, it houses about 7,000 animal species. Apart from this, this destination is also applauded for its commendable efforts in conservation and
protection of wildlife. So far, it has raised approximately 3 million for 70 projects.

Area: 580 acres
Location: 4850 W Powell Rd, Powell, OH 43065, USA
Timings: 09:00 AM to 05:00 PM

Date opened‎: ‎1927
No. of species‎: ‎over 800
No. of Animals: more than 7,000
Annual Visitors: 360,000

12. Assam State Zoo cum Botanical Garden

The Assam State Zoo cum Botanical Garden spreads in 432 acre (175 hectare) in North East region. The zoo is located within the Hengrabari Reserved Forest at Guwahati, India. The zoo has about 895 animals, birds and reptiles and almost 113 species of animals and birds from around the world.

Land area: 432.435 acres (175.000 ha)
Address: Zoo Road, Guwahati, India
Timing: 8Am to 4:30PM

Number of Animals – 1170
Species: 84

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