Lucy Cooke meets some of the animal kingdom’s nocturnal inhabitants to understand why it pays to stir once the sun goes down.She examines some of the extraordinary nocturnal adaptations from the largest group of mammals, the bats, to the mysterious long fingered lemur, the Aye Aye, to hear why the dark has proved evolutionarily advantageous. In an increasingly crowded planet, could future survival for many diurnal animals depend on a nightlife?Producer Adrian WashbournePicture: Honey Badger, Credit: Cindernatalie/Getty Images

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