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.

marine tagging

The Institute of Zoology

The Institute of Zoology (IoZ) is a world-leading research organisation, directly addressing global challenges in conservation science. The IoZ is the research division of the Zoological Society of London (ZSL), an international conservation NGO that houses living collections at two major zoos (ZSL London Zoo and ZSL Whipsnade Zoo), runs on-the-ground conservation programmes in >60 countries, and engages with policy makers and practitioners around the world.

Find out more about the IoZ

Making science accessible

  • Taxidermy at ZSL
    Our biological archive

    ZSL Biobank

    We have built an huge collection of frozen, wet, and dry biological specimens, over several decades.

  • A selection of artwork displayed on a wall
    Co-designing a creative and equitable engagement programme


    Co-designing a creative and equitable engagement programme for conservation science with refugee and asylum seekers

  • soapbox science display
    Championing female & non-binary scientists

    Soapbox Science

    Soapbox Science brings cutting-edge science to the public on the streets, highlighting the work of some of the best women and non-binary scientists working today.

Our people

As part of ZSL’s global team, we are a community of internationally recognised researchers and students working in conservation science.

Find out more about our scientists


female scientist interacting with public soapbox science

Our projects

We work on conservation science projects across the globe, protecting critical species, restoring ecosystems and inspiring change. 

Read more about our active conservation science projects

Our teaching

ZSL provides unique postgraduate teaching, research and training opportunities. Conservation scientists who have learned and trained at the IoZ are now working in the UK and around the world at the cutting edge of conservation. And we’re helping to build the next generation of conservation science and practitioners.

find out more about coming to study with us

ZSL Prince Philip Library and Archives

The Zoological Society of London was formed in 1826, and since that time we have maintained a world-leading library and archive which has helped generations of leading zoologists, scientists and conservationists understand the natural world. The ZSL Prince Philip Zoological Library and Archives contains over 200,000 volumes, 5,000 journals, illustrations and correspondence.

Learn more about our Library and Archive collections

Scientific publications

We have published research in scientific journals and books since 1830. 

Our journals include: 

Read more about our scientific publications 

Scientific events and public engagement 

Communicating science is an important part of our work. We are in a unique position to engage with over 1.7 million people visiting ZSL’s Zoos annually. Our public engagement activities help us to understand how people relate to the ways in which science can provide solutions to global environmental challenges.

Upcoming events

View our past and upcoming events

Engaging with the public

We inspire and inform people about wildlife and its conservation. Engaging members of the public from all areas, including those from underserved and underrepresented communities, is vital to communicating our work.

Public engagement projects include:

To find out about our latest research please subscribe to our project updates.

subscribe to our research and project updates


Climate Change and Conservation

African elephant in drought, barren landscape
Tackling the climate crisis

Climate change

The climate crisis is pushing our planet to its limit, but together we have the power to make a difference.