I would suggest that you take a look at an article I have on my web page
http://www.isource.net/~grmorton/longisq.htm
While this pathway to feathers is controversial, it is a possible
evolutionary pathway to feathers that anti-evolutionists NEVER mention.
glenn
Adam, Apes and Anthropology
Foundation, Fall and Flood
& lots of creation/evolution information
http://www.isource.net/~grmorton/dmd.htm