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Re: New Ruben Paper

On Wed, Jun 10th, 2009 at 6:19 AM, Mark Hallett <marksabercat@yahoo.com> wrote:
> As we always say, "wait for the paper", but is Ruben's entire premise  
> actually based (on the the
> implication as I understand it from the SCIENCE DAILY article) that birds 
> have inflexible or only
> potentially flexible knee joints? This is incorrect.

Indeed - ostriches (and probably most large ratites) move their femora during a 
fast run, yet I'm 
assuming they're fully capable of breathing at the same time.

Dann Pigdon
GIS / Archaeologist                Australian Dinosaurs
Melbourne, Australia               http://home.alphalink.com.au/~dannj