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Re: What is an "active ectotherm"?
From: Jeffrey Martz <martz@holly.ColoState.EDU>
> Besides, if dinobirds really evolved feathers as cushioning for
> falling out of trees, wouldn't we expect the develoment of integument to
> take case fairly quickly? That is a pretty hefty selective pressure.
For small (< 2 kg) forms, not as much as you might think.
Even a cat can probably fall from a tree without serious injury.
The peace of God be with you.