Omnivore (Meat and Plant Eater)
220-1000 lbs (100-500Kg)
Cretaceous - 65 MYA
dinosaurs may have been the fastest of all
dinosaurs. They were bipeds that traveled on
long, slender legs with three toes. They had
large eyes for good sight, small heads with
long, thin necks, and toothless beaks.
Ornithomimosauria brains were large for their
body size. They also had forelimbs with three
Dromiceiomimus appear to have been well
suited to its time and ecological niche. It was
very fast, had good eyesight, and was smarter
than its competitors. These qualities would have
aided Dromiceiomimus in evading large predators,
locating and catching its prey, and competing
with herbivores for food.
Ornithomimosauria have many striking
similarities to modern large flightless birds
like the Ostrich and Emu. These include legs
that were very long in relation to its body, and
small heads with large eyes, and a long neck.
Since the modern flightless birds can run very
fast, it is easy to estimate that
Ornithomimosauria could also generate a great
deal of speed - possibly over 40 mph!