What can a wild night out teach us about ecosystem health?

Moths, bats and owls are just some of the animals you can best observe at night, and they tell us a lot about the health of ecosystems. Age of Extinction reporter Phoebe Weston adventures into a dark wood with Chris Salisbury, author of Wild Nights Out, to see what she can learn by watching and listening to wildlife. Help support our independent journalism at theguardian.com/sciencepod