Zoos, sex and conservation

Zoos, sex and conservation

From Start the Week by BBC Radio 4

April 6, 2026 · 41 min

About this episode

The episode explores the connections between animal sex, behavior, and human conservation efforts, featuring insights from various experts.

How have the evolutionary forces that shaped animal sex and behaviour influenced the ways humans conserve, study and coexist with other species? As the Zoological Society of London, the precursor to the zoo, celebrates its 200th anniversary, Adam Rutherford is joined by three guests whose work uncovers the scientific, historical and ethical threads connecting humans with the wider animal world. Biologist Lixing Sun introduces his new book On the Origin of Sex - the Weird and Wonderful Science of how our Planet is Populated, uncovering how mating strategies and reproductive behaviour evolved across species. From Californian Condors to clownfish, the dazzling array of ways in which the animal kingdom procreates is both baffling and astonishing. Cultural historian Elsa Richardson, from the University of Strathclyde, discusses her latest research into the archives of Edinburgh Zoo, revealing a rich and little‑known record of early zoological observation, public spectacle and the shifting moral landscapes of how people have imagined, displayed and interpreted animal behaviour. And Sarah Forsyth, Curator of Mammals at ZSL, reflects on the history of the organisation and offers insights…

People in this episode

Host: Adam Rutherford

Guests: Lixing Sun, Elsa Richardson, Sarah Forsyth

Topics covered

  • animal behavior
  • conservation
  • zoology
  • evolution
  • human-animal interaction

Keywords

  • zoos
  • conservation
  • animal behavior
  • evolution
  • mating strategies
  • Zoological Society of London
  • Edinburgh Zoo
  • biologist
  • cultural historian

Mentioned in this episode

Organizations: Zoological Society of London, University of Strathclyde

Books & works: On the Origin of Sex - the Weird and Wonderful Science of how our Planet is Populated

Places: Edinburgh Zoo

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