Well, the most accepted North American term is "a business of ferrets", but I have also heard "a fastening of ferrets" in the UK...I am currently attempting to determine which, or if both are correct, and would be interested in any academic data that anyone might have to share on the subject (with references, please). I have so far studied English texts referring to ferrets as far back as AD1398, but am having trouble finding any that refer to multiple ferrets except as "ferrets"...no pre 20th century group names yet. G. A. Christian Bilou [Posted in FML issue 3620]