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Re: late night thoughts: misunderstand what?4
Dann, you are neglecting the issue of balance, which is the key issue w/
large short-armed bipeds. Whether they bog down is not the issue, it is
whether they _fall_ down.
anything whose belly is higher than a snake's, can fall down.
Bipeds are particularly vulnerable to sudden, unpredictable changes in
horses can trip and fall just as easily as ostriches.
(vertical differential, traction, etc). I feel it probable that the large
bipeds not only stuck to firm ground, but probably firm ground that was
well-compacted by large quadrupeds.
you want to tell this to swamp birds?
I actually have considerable personal experience in this area, having spent
much of my life literally in swamps.
good for you.
This includes working w/ machinery; pickups and tractors; and animals
(cows, horses, and dogs). Trust me on this; a cow can go places a man can't
go, WITHOUT using his hands, and a mule bred from a Percheron horse can
pull logs from a place an ox can't.
all of whom weigh far less than any sauropod...so your analogy falls apart.
Even more to the point, I became permanently restricted to crutches some
sorry to hear that.
and have experience w/ both modes that very few humans can claim to have.
sounds more like you walk like a bat, not a sauropod.
This is because I am not very smart, and keep right on going out there...
this explains a few things. :)
I can cite no studies, but can tell you this with confidence.
sounds like one of those spam emails. :)
Also, some large theropods had longer arms than others.
uh-huh...and that's the price of tea in China - how?
How long your arms have to be to be of assistance in critically unstable
balance situations I don't know, of course. Intuitively, I would say arms
much shorter than a humans is too short. Again, give it a try!-- DO.
give *WHAT* a try? try watching a theropod race across a mudflat?
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