The crocodile prints were once believed to be a pterodactyl swooping out of the sky skipping its claws along the ground, but recent studies have disproved that theory. Kids and dinosaur enthusiasts may feel as if they've entered the fantasy world of Jurassic Park, but according to New Mexico Tech professor Dr. Adrian Hunt, the Clayton Lake find is not just child's play. It's a valuable and significant scientific discovery. When you find bones, it's just pieces of a dead carcass. It's only limited information you can get.
Footprints tell much more.
With bones you're just guessing what their behavior's like. One thing that's missing from the footprints is the impression of a dinosaur's tail. Hunt explained that these tracks prove that dinosaurs did not drag their tails behind them as they walked. Instead, Hunt theorizes that they used them for balance. There is one peculiar set of tracks where a dinosaur's tail left an impression.