It is one aspect of an evolutionary competition that has been going on for millions of years, with bats and moths developing new adaptations to outmanoeuvre each other. Kitching said: 'This ultrasonic ...

Tonight, they shine a light on the young naturalists of the future, while gleaning fascinating insights into the lives of the elusive bittern and the marvellous adaptations of winter moths.

We may earn an affiliate commission from links. Moth-proofing your wardrobe is essential, if you don’t want the insects feeding on your most expensive cashmere knits and silk dresses.