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Re: Theropod eating and attacking

jamolnar@juno.com wrote:
> Birds of prey and owls will regurgitate undigestible parts of their prey
> in pellets.  Some are capable of digesting small bones.  Fish-eating
> birds usually have strong stomach acids and gizzards and digest fish
> bones, but a few also regurgitate pellets.  Theropods may have done
> either.  I wonder how one could tell from fossils which method they were
> using?

I have a vague impression from somewhere that fossilized owl pellets
have been found.  I've never heard of "dinosaur pellets," though. 
Coprolites, yes, but not pellets.

-- JSW