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Explore conservation articles related to our Action initiatives.

We not only participate and advocate, but we publish our findings and share those with you.

November 23, 2021

Our Animals

Dedicated to Animal Care Series: Humboldt Penguin Roundup

One way the Zoo is dedicated to animal care is through regular animal check-ups. The "Humboldt Penguin Roundup" is a yearly examination and an important part of our penguins' preventive care at the Zoo. It includes a physical evaluation by a veterinarian of the animals' eyes, mouth and body weight.

September 30, 2021

Our Animals

Dedicated to Animal Care Series: Preventive Care

On Sept. 29, 2021, adult male chimpanzee "Jimiyu" was the first animal at our Zoo to be vaccinated against COVID-19. Over the next few months, we plan to administer the two-dose COVID-19 vaccine in a staged roll-out to almost 100 primates, big cats, river otters, painted dogs and bat-eared foxes, all of which carry a potential risk of being infected by SARS-CoV-2, the virus that causes COVID-19 disease.

September 20, 2021


Conversations About Climate Change Should Be Hopeful

Hannah Phillips is the Manager of Docents and Interpreters at the Saint Louis Zoo. She is passionate about meeting people "where they are at" to inspire curiosity, empathy and action for the natural world. When I learned the Saint Louis Zoo was joining The National Network for Ocean and Climate Change Interpretation network (NNOCCI), I was excited.

September 15, 2021

Our Animals

Hellbenders Returning Home

Over 800 Ozark and eastern hellbenders raised from eggs at the Saint Louis Zoo were released into their native Missouri Ozark rivers in summer 2021 by Missouri Department of Conservation, the Zoo and U.S. Fish & Wildlife Service. Since 2008, 9,476 Saint Louis Zoo-raised endangered hellbenders (8,599 Ozark and 877 eastern) have been reintroduced to the wild in Missouri.

August 31, 2021


An Empty Lab Filled with Active Science

Over the past months, research interns again became a familiar sight in the Endangered Species Research Hospital. Their presence is a welcome change from last year, when many students abruptly ended their internships to return home due to the COVID-19 pandemic and the ensuing safety precautions and university shutdowns.

July 27, 2021


Zoological Registrars and the Gateway to Zoos


June 16, 2021


Secret Science at the Zoo

Author: David Powell, Director of Research, Saint Louis Zoo

April 26, 2021


Turtle Dogs

Turtle dogs! Saint Louis Zoo scientists have partnered with some very special assistants: seven turtle-detecting spaniels. The Boykin spaniels helped us track and retrieve box turtles – their strong sense of smell allows them to find hidden turtles our researchers might miss. (And they're faster than us, too!)

April 02, 2021

Our Animals

Amur Tiger Kalista

It is with a heavy heart that we share the sad news about our beloved Amur tiger, Kalista, who passed away at her Big Cat Country habitat on March 27, 2021, at 19 years and 10 months old.

February 24, 2021


Zoo experts could be breakout stars in race against future pandemics

This Year of the Pandemic has been unrelentingly cruel, but there are a few things it wasn't: unexpected, unforeseen or a surprise.

October 29, 2020

Our Animals

Ode to the Tasmanian Devil

A poem by Shannon Santangelo, Children's Zoo Keeper.

September 04, 2020

Our Animals

Utamu: Path to Motherhood

Utamu was born on December 20, 2001, in Florida at the Miami Metrozoo (now called Zoo Miami). She first arrived at the Saint Louis Zoo as a juvenile chimpanzee in early 2007 along with her mother Rosebud.

March 16, 2020

Our Animals

Saint Louis Zoo Monkey Mania

March is bananas at the Zoo! Join us in celebrating the Saint Louis Zoo’s Monkey Mania! Our primate keepers have selected eight monkey species to be featured in a friendly online voting competition.

February 18, 2020

Our Animals

Love Birds

We often use the term “lovebirds” to describe an openly affectionate couple in public. The term could probably be traced to the bird species as they are known for being extremely caring toward one another; lovebird is the common name of a small genus of parrot, Agapornis.

December 05, 2019


Notes From The Field - Armenia

By Mark Wanner, Zoological Manager of Herpetology and Aquatics, and Justin Elden, Herpetarium Keeper

December 04, 2019


International Cheetah Day 2019

Happy #InternationalCheetah Day! The Saint Louis Zoo is celebrating the magnificence of the cheetah, raising awareness of the threats cheetahs face in the wild and educating visitors about the amazing conservation efforts to #SaveTheCheetah!

December 03, 2019

Our Animals

Firehose Enrichment at the Saint Louis Zoo

Enrichment at the Saint Louis Zoo is an integral part of the daily husbandry of our animals. Enrichment can come in the form of objects, new experiences in animals' habitats or even food items presented in challenging ways.

November 14, 2019

Our Animals

Using Dynamic Lights to Provide Chuckwallas with Sunrise, Sunset

Every animal in a zoo, big or small, receives enrichment, but enrichment isn’t always new objects or special foods. For some species, enrichment can be the addition of new perches to provide exercise, access to areas with higher temperatures and different vantage points to explore.

November 01, 2019


One Health Day 2019

Animal health, human health and conservation go hand in hand. In our work, we study all these aspects to better understand the interconnectedness of health for all life on our planet. This defines the concept of One Health. And guess what? November 3 is #InternationalOneHealthDay!

October 23, 2019


Representing the Hellbender in Virginia

This summer has been a blur for me and the other hellbender keepers of the Ron Goellner Center for Hellbender Conservation, part of the Saint Louis Zoo WildCare Institute. Preparing for our seasonal routine of releasing hellbenders into the wild with the Missouri Department of Conservation made for an extremely busy summer.