Ornithomimus is 6.5-10 feet and 2-3 metres tall. It was 13-16 feet and 4-5 metres long. Its two special features
are a large brain and hollow bones. It had the diet of plants, seeds, berries, insects, and small animals. The diet of this dinosaur is simalar to a birds' diet. It ate meat and plants, making it one of the few omnivores. It lived in the Late Cretaceous, 76-65 million years ago. The fossils of this dinosaur have been found in United States of America, Canada, and Mongolia. Its close relative is Gallimimus.