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Brookfield Zoo Chicago
Brookfield-zoo.jpg
Brookfield Zoo Chicago, North Gate
Date opened July 1, 1934; 91 years ago (July 1, 1934)
Location Brookfield, Illinois, United States
Land area 235 acres (95 ha)
Coordinates 41°49′58″N 87°50′00″W / 41.832671°N 87.833462°W / 41.832671; -87.833462
No. of animals 3,481
No. of species 511
Annual visitors 2 million
Memberships AZA

Brookfield Zoo Chicago is a famous zoo in Brookfield, Illinois. Until 2024, it was simply called Brookfield Zoo. It is also known as the Chicago Zoological Park. The zoo is owned by the Forest Preserve District of Cook County. The Chicago Zoological Society manages it.

Brookfield Zoo Chicago is the biggest zoo in the Chicago metropolitan area. It is home to about 511 different kinds of animals. The zoo covers a large area of 216 acres (87 ha). It first opened its doors on July 1, 1934.

The zoo quickly became famous around the world. It used moats and ditches instead of cages for animals. This was a new and exciting idea. Brookfield Zoo was also the first zoo in the United States to show giant pandas. One of these pandas, named Su Lin, is now on display at Chicago's Field Museum of Natural History.

In the 1960s, the zoo opened the first indoor bottlenose dolphin exhibit in the country. Later, in the 1980s, it created the first indoor tropical rainforest exhibit. This was the largest indoor zoo exhibit in the world at that time. Brookfield Zoo Chicago is often named as one of the best zoos in the United States.

History of Brookfield Zoo

The Early Years: 1900s

Entrance, Brookfield Zoo, Chicago, ill (71966)
Entrance to Brookfield Zoo Chicago, around the 1930s
Zookeeper with baby animals, Brookfield Zoo, Brookfield, Illinois, 1940s (NBY 3103)
A zookeeper with baby animals, around the 1940s

In 1919, Edith Rockefeller McCormick gave some land for a zoo. She received this land from her father as a wedding gift. The Cook County Forest Preserve District received the land. They added 98 acres (400,000 m2) more land to the plot.

In 1921, the Chicago Zoological Society was created. Building the zoo did not start until 1926. This was after a special zoo tax was approved. Construction slowed down during the Great Depression. But it picked up speed again by late 1931.

The zoo opened on July 1, 1934. By the end of September 1934, over one million people had visited. By 1936, four million people had come to the zoo.

The 1950s brought new additions to the zoo. A veterinary hospital was built. A children's zoo also opened. The Roosevelt Fountain was added, named after U.S. president Theodore Roosevelt. The zoo faced some challenges in the 1960s. However, a large amount of money from the Forest Preserve District helped it grow. The zoo opened the nation's first indoor dolphinarium in the 1960s.

In the early 1980s, the zoo built Tropic World. This was an indoor exhibit that looked like a tropical rainforest. French architect Pierre Venoa designed Tropic World. It was finished in 1984.

In 1996, a three-year-old boy fell into an animal area in Tropic World. A female western lowland gorilla named Binti Jua helped the child. She stayed with him until zoo staff could rescue him. This event became famous worldwide.

Recent Times: 2000s and Beyond

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The Seven Seas Dolphinarium, around 2000

In the early 2000s, the zoo made many improvements. They built the Hamill Family Play Zoo. A large wolf exhibit was also added. An interactive butterfly tent opened. New areas for group events were created. The zoo also got the largest hand-carved wooden carousel in the United States.

Great Bear Wilderness opened in 2010. This $27.3 million exhibit is home to grizzly and polar bears. Several older buildings were changed inside. They became exhibits that showed different ecosystems. These included areas like South American coasts and swamps. Other exhibits showed deserts, the African savanna, and the Australian Outback.

The zoo's reptile house was the first building to open in 1934. It closed in 2005. It was then changed into the Mary Ann McLean Conservation Leadership Center. This center does not show live animals. Instead, it teaches about the zoo's important work in conservation.

In 2011, the zoo faced protests about its African elephants. Because of this, Brookfield Zoo does not currently have elephants or Nile hippopotamus. However, the zoo plans to bring both species back in the future. The Children's Zoo opened in August 1953. It was taken down in early 2013. A new family-friendly area called Wild Encounters opened on July 1, 2015.

The zoo has closed only a few times in its history. This happened due to storms, blizzards, and flooding. It also closed for two days in 2019 because of very cold weather. From March 19 to July 1, 2020, it closed due to the COVID-19 pandemic. It also closed on January 12, 2024, because of a winter storm.

In September 2023, the zoo received a huge gift. An unknown person donated $40 million. This was the largest private donation in the zoo's history. The zoo used this money for a new expansion to Tropic World. This new area is called Tropical Forests. It will have outdoor exhibits for monkeys, gorillas, and orangutans. It will also have new indoor exhibits for them. The zoo plans to bring two new male gorillas from Zoo Miami. The opening date for Tropical Forests has not been announced yet. This project is part of Brookfield Zoo Chicago's future plans.

In 2024, a ferris wheel was set up near the east mall. This was to celebrate the zoo's 90th anniversary. It returned for the 2025 season.

Famous Animals

  • Binti Jua is a female western lowland gorilla. She became famous in 1996 for helping a three-year-old child. The child had fallen into her exhibit.
  • Cookie was a Major Mitchell's cockatoo. He lived at the zoo from its opening in 1934 until he passed away in 2016.
  • Ziggy was a very large male Asian elephant. He weighed 6 tons. He was kept chained in the Pachyderm House for thirty years. This was because he attacked his keeper in 1941.

Animal Exhibits

Zoo Staff and Leaders

Chicago cartoonist John T. McCutcheon was the president of the Chicago Zoological Society. He held this role from 1921 to 1948. He oversaw the zoo's building and opening. He also helped the zoo through the war years. During this time, fewer people visited the zoo.

Grace Olive Wiley worked briefly at the zoo in 1935. She was in charge of the reptiles.

George B. Rabb was the zoo's director from 1976 to 2003. He had first worked as a researcher. Later, he became an assistant to the director.

Helping Animals: Conservation Programs

Brookfield Zoo Chicago has a special project in Punta San Juan, Peru. This project helps protect animals. Disney World gave the zoo a $25,000 grant. This money was specifically for the work in Peru. It helped the Chicago Zoological Society get permission to work in a protected area.

The zoo has hired local people to help. They are building a team to research conservation. They collect samples from animals like South American sea lions and Inca terns. They also study Peruvian boobies, guanay cormorants, Grey gulls, and the endangered Humboldt penguins.

The team uses this information to learn about the environment. They watch the animals and count their populations. The project helps us learn more about the ocean. It also helps save animals that are in danger. Team members also organize groups of children. These groups help clean up trash on the beaches of Punta San Juan.

How the Zoo Works: Economics

Brookfield Zoo - Bucorvus (18047685300)
A Ground hornbill with a trainer

In 2014, Brookfield Zoo Chicago earned money from several sources. They made $26.6 million from tickets and guest services. Taxes brought in $15.2 million. Membership fees added $11.5 million. Donations and sponsorships also contributed $11.5 million. Investments and other income made up $1.2 million. In total, the zoo's income was $66 million in 2014.

The zoo also had expenses in 2014. They spent $15.7 million on admissions and guest services. Animal care and conservation programs cost $15 million. Taking care of buildings and grounds was $10.7 million. Other costs included management, education, marketing, and fundraising. In total, the zoo spent $63.8 million in 2014.

In 2010, Governor Pat Quinn gave Brookfield Zoo Chicago $15.6 million. This money helped repair and update many parts of the zoo. It included improving the north entrance.

The Chicago Zoological Society holds events to raise money. These events have collected large donations. They have ranged from $130,000 to $1.5 million.

Many volunteers help the zoo. A total of 808 volunteers give their time. They provide 74,401 hours of community service each year. This is like $1.86 million worth of work.

The zoo helps the local economy a lot. It brings in about $150 million each year. It supports 2,000 jobs and has 580 volunteers. Around 2 million people visit the zoo every year.

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