User blog comment:Lord Loss/Discussion of the Week: Brute Wyverns/@comment-3211692-20130116214002/@comment-70.128.20.68-20130120183513

well if spino had a lump that size it would be to cumbersome to catch anythnig and would barely be able to move if it had a lump the size of its actual body on its back. i probably has a sail because a sail would be lighter and it is well known that some of relatives had sails so why wouldnt he? plus he looks awesome with a sail/spine while with a giant lump he would be as ugly as a pile of shit.