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Re: Eye slits

>So far as I remember eye slits are a characterisitc of nocturnal
>hunters -- cats, crocodiles etc.  ARe any dinos thought to  fit
>into this category?  If so they might possibly have  had slit 
>pupis.  Any diurnal hunters would almost certainly have had
>round pupils.

I've read suggestions that troodonts might have been nocturnal. I understand
they had unusually large eyes.

I think I've seen them illustrated with eye slits.

Anyone know for sure?

James Shields