Richard Sterry wrote:
Well, started to eat my shed - I think it will be a little while
before it disappears altogether!

Take a look at...

http://www.sterry.org.uk/temp/what_ate_my_shed.jpg

Actually, I know the answer, and was initially very surprised when
I
caught the culprit(s) in the very act of vandalising my beloved
shed.
Anyone care to guess what was responsible, before I ask how to
discourage them? Humans are not involved

Surely not deer? Fallow deer leave marks a bit like that on trees;
but I'd have thought they'd have the sense to know the difference.

Mike.