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The evolution of animal genitalia - Menno Schilthuizen

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TEDEd Animation

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Genitals are the fastest-evolving organs in the animal kingdom. But why is this so? And what’s the point of having decorative private parts? Menno Schilthuizen explains how the evolutionary biology of nature's nether regions uncovers a hidden world of seduction, conflict, and rivalry.

Some male beetles have whip or drumstick-like devices on either side of the penis. What do they use these for?

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Meet The Creators

  • Educator Menno Schilthuizen
  • Script Editor Emma Bryce
  • Director Mette Ilene Holmriis
  • Compositor Christen Bach
  • Animator Guille Comin, Laura Büchert Schjödt
  • Sound Designer Weston Fonger
  • Composer Stephen LaRosa
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Adrian Dannatt

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