Dromiceiomimus looked very like a modern ostrich, but without the thick layer of feathers (it may have had some feathers).
Dromiceiomimus is now a nomen dubium (dubious name), because the fossils are no longer thought to represent a distinct dinosaur type.
Explore dinosaurs with the same body shape as Dromiceiomimus in the Dino Directory
There may be more details in Wikipedia