ORNITHOMIMUS ORNITHOMIMUS was a very bird-like dinosaur that resembled an ostrich. In fact it's name means "bird mimic". These dinosaurs had a toothless beak and large eyes and probably ate both plants and animals, including insects and smaller animals, eggs, fruits and vegetables. It had very long legs and probably was a very fast runner. They lived during the Cretaceous period in what is now North America. STATS ORDER Saurischia SUBORDER Theropoda FAMILY Ornithomimosauria DIET Omnivorous SIZE 15-20 feet long, 8 feet high PERIOD Late Cretaceous RANGE North America & Mongolia Copyright ©2002 Neil Riehle