Here is an article by Bob Church that mentions some differences between
domesticated ferrets and wild ferrets, such as Morphological,
Behavioral, and Domestic. 
http://www.rud.dk/ferrets/faq/history.txt

Here is an article by Erika Matlulich which includes differences in
size, color, physical changes and behavior.
http://www.cypresskeep.com/Ferretfiles/Domestic-FUSA.htm

Happy Holidays. tle
www.ferretfamilyservices.org

[Posted in FML 5416]