This is the pond on Martin Green's farm near Sixpenny Handley, where we should have been on Thursday. Go to our Field Trips page for what we might have seen - and which you may well see if you go out walking on Cranborne Chase.
If it's not me, Elizabeth Forbes, website editor (keen but ignorant), I'll say so.
Every photograph is captioned where necessary: in the 'galleries' please click once both to open and to view this, and including the photographer unless it's one of mine. You can scroll through all the photos in a 'gallery', too. Those including 'BC' are with kind permission of Butterfly-conservation.org.