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Re: Tyrannosaurs gorged on the young

we are aware we are talking about two separate poops here?

Karen Chin has examined both but only one is presumed to have muscle
fiber preserved (the one she spoke of at SVP), the other is assumed to
have a juvenile dinosaur in it  (the primary one in the article posted).


Matthew Bonnan wrote:
> Randy King said:
> >The article indicated this was determined from coprolites.
> >How can one determine which dino a coprolite came from?
> While the size and bone pieces in the coprolite indicate a large predator as
> already discussed here, another interesting point made by Dr. Chin was the
> presence of muscle tissue in the coprolite.  Karen Chin thought this might
> suggest a number of possibilities, including illness, quick digestion (aka,
> quick metabolic rate), or gorging.  She pointed out that dogs will commonly
> have undigested flesh in their feces, depending on how much they gorge
> themselves or what kind of meals they eat.
> Of course, we cannot know exactly which dinosaur egested (technical word for
> "pooped") the coprolite, but its size and age would make it a likely
> candidate from the bowels of a T. rex.
> Matt Bonnan
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Flying Goat Graphics
(Society of Vertebrate Paleontology member)