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Old 02-09-2013, 06:53 AM
Grendel's Father Grendel's Father is offline
Join Date: Mar 2003
Location: CA via NSW via NJ
Posts: 165
Originally Posted by Darwin's Finch View Post
Why not? It's now known that wings go back at least as far in the dino family tree as ornithomimids, which are only one or two branch up from tyrannosaurs.

If the arms of large tyrannosaurids bore display feathers of some kind, this could partially explain the paradoxical small size plus heavy musculature (perhaps employed in some kind of flapping display?).