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Re: Oviraptorids as Parrots?



Schwimmer (2002) hypothesized that _Deinosuchus_
acquired it's incredible bite force (18,000 N!) by
originally specializing in turtle eating. The rear
teeth are low and rounded. These are believed to be
the main shell crushing tools.

Jason


--- Dann Pigdon <dannj@alphalink.com.au> wrote:

> Both tiger sharks and jaguars (of all things!) are
> specialist
> testudinate feeders. The sharks use sideways head
> thrashing to 'saw'
> through the shells of marine turtles with their
> serrated teeth, while
> jaguars use massive nut-cracker jaw muscles to crack
> tortoises like
> walnuts. Apparently testudinates feature highly in
> the diets of both
> animals.
> 
> One wonders whether Thylacoleo ever indulged in the
> occasional tortoise
> snack (they certainly had the equipment for it)...
> 
> -- 
>
___________________________________________________________________
> 
> Dann Pigdon
> GIS / Archaeologist        
> http://heretichides.soffiles.com
> Melbourne, Australia       
> http://www.geocities.com/dannsdinosaurs
>
___________________________________________________________________
> 
> 


"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer

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