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Re: Dromaeosaur climbing & propulsive abilities (was Re: Jurassic Park 4Script Review)

Amtoine Grant wrote:
> This brings to mind the thought I've recently had about using the
> sickle claw as a sort-of launch device, a possible 'nother reason for
> the switchblade action the enlarged pedal claw apparently portays...

Dromaeosaur sickle claws would have been poor climbing or launching
devices. They were too thin and blade-like, built more for penetration
than holding. Most climbing claws tend to be circular or ovoid in

If a dromaeosaur tried to push off with its sickle claws, there was a
greater chance of it sinking its claws deeper into a substrate than
pushing the animal up and away.


Dann Pigdon
GIS / Archaeologist         http://www.geocities.com/dannsdinosaurs
Melbourne, Australia        http://heretichides.ravencommunity.net/