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Re: ... vs energy deficient gigantothermy (boo hiss)

On Mon, 7 May 2001, David Marjanovic wrote:

> > and they have IMHO not yet had a chance to grow
> > to gigantic sizes.

How much time are you willing to give them?  They've been around for about
a hundred million years already.  Maybe something is preventing them from
being multi-tonne birds.