"Hollowhorn" is the term used in The Land Before Time to describe lambeosaurine hadrosaurids who had large hollow crests, which may be used to make loud sounds. They are shown to be able to make fruits fall from trees by crying out loudly through their hollow crests. Other hadrosaurs are called Bigmouths, or Swimmers.
Species[]
Voices[]
- Kenneth Mars (VIII, XII)
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Lambeosaurus and Parasaurolophus
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Corythosaurus and Lambeosaurus