Caption:
20040908 - Canada - Alberta : Royal Tyrrell Museum Lambeosaurus Namefor lwrence lambe, one of the early fossil hunters in the red deer river valley, Lambeosaurus had a distinctive crest. The hollow cavity in side the crest may may have been used to produce sounds and the young may have identified their parents by the distinctive crest. lambeosaurus lambei Late Cretaceous, Dinosaur Provincial Park, Alberta Caption word by Royal Tyrrell Museum