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Re: group hunting (was Scavenger vs. Predator Argument)



>Nope, you're correct on the lion thing. But ... robust forms in dinosaur
>may mean what robust forms in crocs means, which is robust, smaller
>males and gracile, larger females. But we have robust, larger (?) and
>gracile, smaller (?). Birds have bigger females, like crocs, but there
>is little in the way of robustity as opposed to gracility. When Paul
>Willis gets back, he might be able to help with this particular part.
>


In crocodiles, the males are always larger than females.  This is actually
also true for most birds.


chris



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Christopher Brochu, Ph.D.

Postdoctoral Research Scientist
Department of Geology
Field Museum of Natural History
Lake Shore Drive at Roosevelt Road
Chicago, IL  60605  USA

phone:  312-922-9410, ext. 469
fax:  312-922-9566

cbrochu@fmppr.fmnh.org