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Re: The Face of Death

On Thu, 27 Apr 2006, Patrick Norton wrote:
It seems to me that the question was how the possible flexion of unattached rugosities above the orbit might contribute to facial expression. Interesting question, and quite unrelated to other possible displays involving the head such as open mouths and head tilting. 

Tilting is manipulation ;)

----- Original Message ----- From: "Richard W. Travsky" <rtravsky@uwyo.edu>
To: <dinosaur@usc.edu>
Sent: Thursday, April 27, 2006 11:12 AM
Subject: Re: The Face of Death


On Thu, 27 Apr 2006, Dinosaur World wrote:
I have a replica of the skull of Stan, the Tyrannosaurus. He has, what
appears to be, brow horns (Postorbital rugosity?), over each orbit. Is it
possible for these to be moved or manipulated to alter the "expression" of
the face? Could a Tyrannosaur use facial expression to threaten or intimidate
a rival?

Any opinions? 

Um, well, depends on how complex of an expression you have in mind.

An open mouth, good threat expression.

Tilting of head - if down, then the brow horns are less silhouetted.

Etc