Apatosaurus's neck wasn't as flexible as often depicted; it likely couldn't reach very high or bend very far. elaborate
Daspletosaurus had a bony crest above its eyes, which likely played a role in species recognition or intraspecific combat. elaborate
Lambeosaurus had a large, hollow crest on its head that likely played a role in both species recognition and vocalization. elaborate
Saurolophus had a prominent, upward-curving crest on its head, the purpose of which is still debated by paleontologists. elaborate
Sinornithosaurus, a feathered dinosaur, is believed to have been venomous, possibly using grooved teeth and a venom-delivery system similar to modern-day snakes. elaborate
Barosaurus had a tail so long it could act as a whip, potentially used for defense or communication. elaborate