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RE: Cleveland Lloyd - predator trap?

Quite correct about predator domination of SOME African watering holes. 
The implication, however, is not that there were no sauropods or other
large herbivores visiting the water hole, it is rather that they may not
for some reason have remained/died at the site.  Whereas carnivores are
far more succeptable to succumbing to diseases such as botulism, from
eating rotting carcasses around the watering hole and disease may have
dessimated large numbers.  Herbivores, of course, would not have
suffered the same fate.  Similar cases of disease have been attributed
to other quarrys such as "Jack's Birthday Site" (Varricchio, 1995), and
a pleistocene quarry in Germany.

Quoting John Hunt <john.bass@ntlworld.com>:

> Cleveland Cliff wrote
> <The latest consensus, is that the Cleveland / Loyd was a watering
> hole.
> The predators would bully themselves closest to the water in the
> drought
> season, and as the generations passed, more and more allosaur
> skeletons
> would pile up and be preserved for the fossil record.
>     This latest theory was presented by the University of Utah folks
> a few
> years back.I believe they came up with it after observing African
> watering
> holes.>
> Allosaurs bullying large Sauropods away from water seems as likely as
> Lions
> bullying Elephants away from water now!