The caudipteryx appeared in Ice Age: Dawn of the Dinosaurs, as a T.rex food item.

Ice Age: Dawn of the Dinosaurs

The caudipteryx was almost eaten by the three baby T.rexes, but Sid insisted that they eat veggies. He then tried to help him fly by throwing him off of a cliff, but he fell, and was snatched by a Pteranodon on the way down, he was presumably eaten.