More than 40,000 species are at risk of extinction. At ZSL, our science-led conservation is helping to save the most threatened wildlife in the UK and around the world. But we can’t do it without you.

Founded in 1826, the Zoological Society of London (ZSL) is an international scientific, conservation and educational charity whose mission is to promote and achieve the worldwide conservation of animals …

We’re leading the future of conservation and biodiversity science, shaping agendas and influencing change to support better life, health and living for people and wildlife. At ZSL, we know that …

We’re ZSL, a science-driven conservation charity working to restore wildlife in the UK and around the world. Led by our passion for nature, scientific approach, and pioneering spirit, we lead conservation, …

ZSL’s role is to develop solutions that help people and wildlife live better together, whilst driving the recovery of species and habitats. Our approach is to put cutting-edge conservation science into …

Discover the latest from the ZSL– from research updates to successes in our conservation work, we bring you behind the scenes of how we do the important work we do.

This year, 2026, we celebrate an extraordinary milestone: 200 years of ZSL. That’s two centuries of pioneering science, global conservation, and inspiring connections between people and wildlife.

We're ZSL (Zoological Society of London), a science-driven conservation charity working to restore wildlife in the UK and around the world. Welcome to ZSL. By embarking on a career with us, you'll be …

Hosted by ZSL, the group aims to assess the conservation status of mangroves; identify, quantify and prioritise threats; and develop plans to conserve the most threatened species and habitats.

Through our leading Zoos we bring people closer to nature and use our expertise to protect wildlife today, while inspiring a lifelong love of animals in the conservationists of tomorrow.