Board Thread:Fun and Games/@comment-26938547-20160329020829/@comment-25238001-20160329231120

Tobyv23 wrote: What do palaeontologists to this day think the crest on Parasaurolophus' head was used for?

a) To regulate it's body temperature

b) To help it make noise

c) to attract mates There are still conflicting theories, but B and C are two of the most widely accepted theories. I buy into B