Re: Comparing T-rex to pterosaurs

[Ronald Orenstein <ornstn@home.com>]

>> One note of interest from the talk -they couldn't get a rhemphoryncinoid
>> of any type to walk succesfully in ANY of the 3 postures, only
>> pterosaurs.
>> The long tail was a problem in ALL postures they've tried.

Is there any chance, then, that rhamphorhynchoids couldn't walk at all, or
at least no better than many bats and some birds such as swifts? Perhaps
they were small and light enough to shift position by short flights instead?
--
Ronald I. Orenstein                           Phone: (905) 820-7886
International Wildlife Coalition              Fax/Modem: (905) 569-0116
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Mississauga, Ontario, Canada L5L 3W2          mailto:ornstn@home.com