Ornitholestes was a bipedal predatory dinosaur which lived in North America during the Jurassic Period. It was a very small carnivore and most likely was a scavenger.It ate small lizards and other creatures. Its name means bird robber. It lived alongside other dinosaurs like Diplodocus, Brachiosaurus, Supersaurus, Stegosaurus, Allosaurus and Ceratosaurus. Its head was small and its tail was whip-like. Its legs were long and adapted to running, making it a very fast dinosaur.It became extinct before the beginning of the Cretaceous Period.