Going on Dave's tip yesterday, I took myself down to the timber yard and almost straight away saw this water vole. It looked like a pregnant female to me, but that might just be wishful thinking on my part.
This blog charts the fortunes of water voles in and around the Whitchurch area, North Shropshire. Water voles are one of the UK's most threatened mammals, extinct in many counties, and so it's vital they receive as much monitoring and protection as there is going. Here in Whitchurch we're lucky enough to have them right in the middle of town - how cool is that?