Since the opening of Brookfield Zoo in 1934, the Chicago Zoological Society has had an international reputation for taking a cutting-edge role in animal care and conservation of the natural world. Learn more about the animals, people, and research that make up CZS here at our blog.


January 2024: Who's Who at the Zoo?
November 2023: What Makes a Dolphin House a Home?
September 2023: Bottlenose Dolphin Management By The Numbers
August 2023: Catching Z's at the Zoo
August 2023: Wild Encounters With the Goats: Animal Welfare & Habitat Design in Action!
July 2023: Integrating Reference Intervals Into Our Welfare Monitoring Toolkit
June 2023: Ambassador Animal Welfare
November 2022: Resilience and Animal Welfare: Bouncing Back from Challenges
November 2022: How Are Blood Tests Used to Improve the Welfare of Whales and Dolphins?
October 2022: Soaring Ahead: The Future of Bird Welfare Science in Zoos and Aquariums
July 2022: Meet CZS's New Behavioral Research Assistant
July 2022: Promoting Affiliative Social Behavior in Bottlenose Dolphins
December 2021: The Cetacean Welfare Study
October 2021: Behavioral Diversity as an Indicator of Good Welfare
August 2021: What is Zoo Accreditation and Why is it Important?
August 2021: Keeping Cool with Polar Bear Science
March 2021: Complex Environmental Enrichment for Dolphins
December 2020: Animal Welfare: What Is It?
August 2020: Measuring the Behavioral Diversity of Animals at Brookfield Zoo
November 2019: The Science Behind Brookfield Zoo's Animal Care and Welfare
July 2019: Precision Tracking Technology for Dolphins at Brookfield Zoo
February 2019: Optimizing Dolphin Health with ZooMorphTrak
November 2018: MTags Around the World
January 2018: Chicago Zoological Society Takes Lead On Multi-Institutional Cetacean Study
March 2017: Room to Roam