Talk:Mobs/@comment-173.63.186.74-20140823034710/@comment-173.63.186.74-20140830030527

I don't believe we should compare Yutyrannus and Tyrannosaurus since they lived in very different environments, Yutyrannus most likely had feathers, Tyrannosaurus maybe did but I think only on its arms as a display, it would give the arms a purpose, but I don't think all tyrannosaurs had feathers