What can dinosaur footprints tell us?
While skeletons show us what dinosaurs looked like, their footprints can reveal how they moved and behaved. Dr Peter Falkingham, a biologist at Liverpool John Moores University in the UK, analyses dinosaur tracks from around the world.
(Image: Tyrannosaurus footprint, Credit: Peter Falkingham.)
Video by Jennifer Green.
Filming by Geoff Marsh.