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Re: origin of feathers
-----Original Message-----From: Earl Wood Date: 11 April 1998 08:12
> Would someone like to speculate on the possibility that pre
>feathers were brought
>about by the need to modify the skin in order to prevent serious sun
>burn from the sun
>or some other source of radiation which was probably very prevalent at
>different periods
>of time. $0.02 worth.
> Earl
I would imagine early birds would have no greater need for this than their
immediate predecessors, who presumably had the "standard" "reptilian"
integument.
John V Jackson jjackson@interalpha.co.uk