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Re: Why did small dinos become extinct?

Philip, don't know what you consider a decent explanation. There are five small dinos chirping in the cage behind me, but then, you did specify nonflying (grin), as if that probably makes a difference.

Mammals that survived the end Cretaceous extinction were no bigger than my budgies. Some of these extinction events were not survived by any land animal more than so big.

Dora Smith
Austin, TX

----- Original Message ----- From: "Philip Chalmers" <philipchalmers@blueyonder.co.uk>
To: <dinosaur@usc.edu>
Sent: Wednesday, December 12, 2007 5:59 AM
Subject: Re: Why did small dinos become extinct?

I'm rather disappointed at the lack of response to my original question - is there a decent explanation for the extinction of small non-flying predatory dinosaurs (including

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