Re: What is an "active ectotherm"?

[Stan Friesen <swf@ElSegundoCA.NCR.COM>]

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.

swf@elsegundoca.ncr.com         sarima@ix.netcom.com

The peace of God be with you.