Ornithomimus is an ornithomimid dinosaur from the Late Cretaceous of North America, living on the old landmass of Laramidia. It's name means "Bird mimic."
Although it does not look like it, In Prehistoric Park Bob said "They have more in common with Daffy Duck than an Emu".
Walking with Dinosaurs
Ornithomimus never appeared in the main series.
Other
Ornithomimus was seen in Prehistoric Park where at least 13 were rescued and two were hatched by Bob and one young was named Ollie.