Archaeopteryx with Hoatzin style colorations. Lots of kids books in the made comparisons between Archaeopteryx and the modern Hoatzin bird, mostly because the latter is the only modern bird with noticeable wing claws.
Parasaurolophus is a genus of ornithopod dinosaur from the Upper Cretaceous of what is now North America, about million years ago. It was a herbivore that walked both as biped and a quadruped. It probably lived in herds.