Discover a World of Wild
The Saint Louis Zoo is dedicated to saving species and bringing people and wildlife together. Home to over 16,000 animals, many of which are endangered, entry is free every day for everyone, an important part of our commitment to people and animals – always.
For Your Valentine
This gift is sure to get a "seal" of approval this Valentine's Day!
Adopt a Harbor Seal
The special Valentine's Day Adoption package includes a harbor seal plush toy.
Things to Do at the Zoo
See animals from addax to zebras
Ride the Zooline Railroad and more
Happening at the Zoo
Your membership makes a difference
Experience more for less
Share an experience like no other with family and friends
Dedicated to Research and Conservation
Our animal care experts, scientists, researchers and partners are dedicated to conserving animals here and around the world.
We make a difference for animals, save species, and find ways for people and animals around the world to thrive together.
We work locally and globally to protect animals and the land, air and water they depend upon. Together with collaborators, we’re saving animals from extinction and helping build resilient, thriving communities.
We advocate for animals and their habitats by engaging with communities and enabling people to care for the natural world, protect wildlife and support community well-being.
Learn About the Animals
Explore all the animals at the Zoo by their classification
or where you can find them when you visit
This animal class includes toads, frogs, salamanders and more.Explore
These feathered animals come in almost every size and color.Explore
Fish can be found in oceans, rivers and wetlands.Explore
99% of species are invertebrates.Explore
Mammals, which include humans, share a lot of traits.Explore
Reptiles have skin covered in scales and are ectothermic.Explore
Dinosaurs, insects and the Butterfly WingExplore
Elephants, cheetahs and hipposExplore
Penguins, bears and great apesExplore
Big cats, giraffes and zebrasExplore
Sea lions, seals and stingraysExplore
Primates, reptiles and birdsExplore