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Re: Claw function in Deinonychus



On 10/27/05, Tim Williams <twilliams_alpha@hotmail.com> wrote:
> Seriemas (which can fly, and are predominantly terrestrial) are reported to
> use their enlarged inner claws as climbing aids.

Did the _Deinonychus_ anatomy allow them to climb a vertical surface?

Human could climb poles using climbing boots with gaffs because the
legs are held parallel to the pole and so is the body - so the body
weight act in the way that the gaffs tips penetrate into the pole.
What about _Deinonychus_?

Though the climbing claw hypothesis is compatible with Kenneth P. Dial
(2003) hypothesis for the flight origin:

http://www.sciencemag.org/cgi/content/full/299/5605/329
http://www.sciencemag.org/cgi/content/full/299/5605/402

[]s,

Roberto Takata