noun
- large herbivorous dinosaurs with duck-like bills and crested heads that lived during the Late Cretaceous period
Usage: paleontology
Examples
- Hadrosaurs were among the most successful dinosaur groups of the Late Cretaceous.
- The museum’s new exhibit features several hadrosaur fossils from Alberta.
- Scientists believe hadrosaurs lived in herds and migrated seasonally.
- The distinctive crests of hadrosaurs may have been used for communication.
- Hadrosaurs had hundreds of small teeth for grinding plant material.
- Fossil evidence shows that hadrosaurs were excellent swimmers.