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Re: nesting rexes (resting nexes?)

I agree.  It seems more reasonable to keep your eggs warm with
fermenting vegetation than to risk their destruction with your large body
size.  I'm interested in your hypothesis on how the building of this mound
would be accomplished.

-Bill Parker
Northern Arizona University

On Tue, 18 Aug 1998, Thomas R. Holtz, Jr. wrote:

> Folks,
> Much as I like tyrants (well, tyrant dinos at least), I do not think that
> brooding would be a likely behavior for them.  My expectation, on
> biomechanical grounds, would be that they were mound nesters.  Hopefully
> some of the big eggs out of China will prove to be tyrannosaurids (and not
> therizinosauroids), and (also hopefully, but less so, given the way these
> things seem to be collected... :-S ) the proper site sedimentology and
> taphonomy will be done to try and determine if sand, plant fragments, etc.
> were associated with the egg sites.
> Thomas R. Holtz, Jr.
> Vertebrate Paleontologist     Webpage: http://www.geol.umd.edu
> Dept. of Geology              Email:th81@umail.umd.edu
> University of Maryland        Phone:301-405-4084
> College Park, MD  20742       Fax:  301-314-9661