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Re:Dinosaur extinction

>In my opinion, these still solve little or nothing.
>1) Dinos froze to death. Why didn't the crocodiles? They are to big to hide
>and they do (as far as I know) not hibernate. They are extremely
>temperature dependent (pardon my spelling), and only get female offspring
>in cold weather. If they managed to survive at the time because they found
>a way out, why have thy lost that ability?

There  used to be alligators as far north as Virginia before they were
hunted out.  They hibernated throught the winters there---but these were
neither very long or cold.

Seth A. Ellestad.