Incredible Bats

When the night falls, the sky comes alive. A flutter of wings that, for some, is the stuff of nightmares. One in every four mammals on the planet is a bat. But fear for these creatures is often misplaced, not all bats are blood-sucking beasts. The world of bats is incredibly diverse with some beautifully bizarre adaptations.

• Graeme DuaneDirector

• Sean PertweeCast