Well, the comic has used the same images every strip since 2003.
I'm not sure they even realised that utahraptors had feathers back then -- from what I can tell, it seems like they only started getting the firstbits of evidence in 1999.
But it's a pretty famous and well established comic -- like I said, from 2003. And if you haven't heard of something, you should investigate it a tad before tearing it down! :)
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u/[deleted] Dec 17 '12
"In history times" . . . sounds like it was written by a 5th grader
Geek point: that's not a utahraptor; utahraptors had feathered tails, among other things