Quetzalcoatlus

Available for 30 days

As Sir David Attenborough explains: "The biggest animal to fly was not a bird, but a reptile." It was a Quetzalcoatlus, a pterosaur with at least a 44 foot wingspan. David, a huge fan of palaeontology, is skilled in bringing the past natural histories to life through stories about the discovery of key fossils. What a creature this "terrible lizard" must have been - big enough to scavenge the bodies of dead Tyrannosaurus and yet able to fly, probably in large numbers. And with a twist so typical of Sir David's writing, he brings this pterosaur to life at the very end. Written and presented by David Attenborough. Producer: Julian Hector First broadcast on BBC Radio 4 in May 2011.