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RE: late night thoughts: not all T. rexes were adults
Andy Grass wrote:
>This idea was presented in one of the CG dinosaur shows on the
>Discovery Channel, I'm totally blanking on which one though. The
>basic idea was the juveniles chase the prey and corral it and then the
>bigger ones jump out of the brush and take it down.
"When Dinosaurs Roamed America: Chapter 4 (Mid-late Cretaceous)."
The prey was a large duckbill which had evolved the ability to move its jaws
side to side as well as up and down, in the manner of a cow. Unfortunately,
this was not how duckbill jaws worked.
I think that _Tyrannosaurus rex_ was particularly attractive in this
program, in contrast to the odd "Walking with Dinosaurs" _T. rex_. And if
you like speedy juvenile rexies, these bad boys really put the "ran" in
_Tyrannosaurus_! Roadrunners from Hell, indeed!
Dino Guy Ralph
Docent at the California Academy of Sciences
Dinosaur and Fossil Education
Member of the Society of Vertebrate Paleontology