Hypacrosaurus is a Lambeosaurine hadrosaur from late Cretaceous Alberta, Canada and Montana, USA. It was about 32.8 ft (10m) long and weighed about as much as a rhino. Known from eggs and nests, juveniles through adults, and whole herds.
- One of the Hypacrosaurus made some appearances in one of The Land Before Time Movies.
- The Next appearance they made was in Discovery Channel's Documentary Dino Lab II where a Family of Hypacrosaurus was seen.
- In Dink, the Little Dinosaur the episode "Encounter At Flatrock", Cornelius is a Hypacrosaurus was once a rival of Dink's.