DINOSAUR WORLD
Chapter 8 - As Long as a Bus!
"Look!" shouts Dad.
"A family of duckbills," Mary says as their guide explains.
"A small herd of Lambeosaurus Duckbills lives near the swamp. The large hatchet shaped crest on top of the head is hollow and perhaps helped distinguish one type of duckbill from another."

Mary points to the biggest one, "That one's as long as a bus!"
"Listen. During mating season they trumpet to each other. "