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Re: late night thoughts: not all T. rexes were adults
It is true, tyrannosaurids didn't have to run down their prey... it is a safe
assumption that sauropods couldn't run.
----- Original Message ----
From: Paul P <firstname.lastname@example.org>
Sent: Thursday, June 7, 2007 3:13:45 AM
Subject: late night thoughts: not all T. rexes were adults
Just read the latest by Hutchison et al on the agility of
T. rex (popular press--link below). Perhaps there's some-
thing new here, e.g. application of calculus to the
and I applaud that.
But of course a full grown T. rex didn't run down its prey.
Apparently it could not, but in any case it didn't have to.
Much easier to take over a kill from a lessor carnivore.
Hasn't Horner been saying this for years? What no one
ever seems to mention (correct me if i'm wrong) is that
*juvenile* T. rexes must have been fearsome predators.
One weighing in at about a ton, perhaps. Does anyone
know what's been published on this (non-hypothetical)?
What's the allometry of the hindlimbs? Has anyone estim-
ated the speed/agility of a juvenile or subadult T. rex?
> ** T. rex was 'slow-turning plodder' **
> Agile prey would have had no trouble keeping clear of a
> hungry <I>Tyrannosaurus rex</I>, a study confirms.
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