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Animals

The Saint Louis Zoo provides first-rate care to over 16,000 animals at the Zoo, while also supporting wildlife around the world.

16,000 Animals, 500 Species

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  • Amphibians

    This animal class includes toads, frogs, salamanders and more.

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  • Birds

    These feathered animals come in almost every size and color.

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  • Fish

    Fish can be found in oceans, rivers and wetlands.

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  • Invertebrates

    99% of species are invertebrates.

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  • Mammals

    Mammals, which include humans, share a lot of traits.

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  • Reptiles

    Reptiles have skin covered in scales and are ectothermic.

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Caring for Animals: It’s What We Do!

It’s more than feeding animals and keeping their habitats clean. We are devoted to providing enrichment and nutrition while putting our research and best practices to use. Learn more about how we care for animals.

What makes an animal, an animal?

These are five characteristics that define most animals.

Learn About Animals

  • Are made of multiple cells

  • Eat living things for nutrients

  • Physically move from place to place

  • React quickly to their environment

  • Propagate by sexual reproduction

So, you want to be a keeper?

We are happy to help people understand how to prepare for a career in zoos, aquaria and similar wildlife organizations.

Careers in Conservation