Re: Bird origins tied to oversized muscles and lack of brown fat

[Saint Abyssal <saint_abyssal@yahoo.com>]

> And it is all based on the
> loss of a gene
> that is critical to the ability of other warm-blooded
> animals to generate
> heat for survival.....".

Could this be related to Archaeopteryx's purportedly low growth rates?

~ Abyssal