There are an estimated 50 to 430 billion birds worldwide. They're everywhere, but few of us take the time to listen. In this episode, our reporter Ben Restle joins a nocturnal Berlin birdwatching workshop in a rather eerie location. It’s perfect for witnessing the magical dawn chorus - you just need to make it through the night…
Chirping from the crypt | Living Planet podcast - Listen or read transcript on Metacast
