Masks are encouraged indoors. In accordance with City mandates, masks are no longer required. To support animal health, the zoo does encourage guests to make the individual decision to wear a mask.
Hundreds of animal and plant species live at the zoo—from lemurs to lizards, flora to fauna.
Science happens here. Learn about our greater commitment to wildlife conservation.
Learning is one of our biggest initiatives. Explore our many programs dedicated to inspiring passion for wildlife.
Everything we do is rooted in our mission: to connect people with nature.
The zoo is free and open to everyone because of your support. Find out how you can contribute.
The Pride of Chicago
With your help, we have successfully concluded The Pride of Chicago capital campaign with over $143 million raised from more than 700 contributors.
The zoo hosts dozens of events every year for families, adults, and members.
Did you know you can rent the zoo for your own private event? Learn More
March 18, 2021
Which animals have been running around in the snow at Nature Boardwalk? I took a walk around today (being extra careful now that it’s getting icy out there). Here are some of the tracks I found. Rabbit tracks look like Ys. The two smaller forefeet register behind the parallel, larger hindfeet. They often fall in…
Brrr, it’s getting cold outside! Have you ever wondered how animals like squirrels survive Chicago’s freezing temperatures without so much as a coat? While people typically respond to the cold by staying inside and putting on layers, it turns out squirrels have a similar strategy for dealing with the challenges of winter. They tend to…
The principles of natural selection make clear the fact that animals have adapted to particular environments. We’ve all heard how giraffes evolved long necks to reach the highest branches or how zebras evolved monochromatic stripes to confuse predators. But these principles apply equally to behavior, as well. Animals have evolved patterns of behavior to suit…