In message <[log in to unmask]>, [log in to unmask]
>For an amusing desription of the athleticism of Soay
>sheep and the practicalities of keeping them penned,
>see Peter Reynolds book on Butser, 'Iron Age Farm'
Sadly, it is long out of print, but you may find a copy in a second hand
bookshop. I gather that a sequel is in the pipeline.