Be it the extravagant displays of peacocks fanning their tails, the beautiful, complex song of nightingales or the meticulous art installation-like structures built by bouwerbirds, the animal kingdom filled with a huge variety of fascinating mating rituals.

But more than being mere quirks of evolution, these behaviours play a significant role in driving the process itself.

In this episode, we catch up with science writer and best-selling author Matt Ridley to talk about his latest book, Birds, Sex and Beauty: The Extraordinary Implications of Darwin’s Strangest Idea.

He tells us about the runaway processes that have led to the development of these flamboyant displays and behaviours, why choosing a mate may well be a popularity contest, and why it’s so important to give birth to sexy sons.

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