I first hoped that the rustling sound under the eaves was due to nesting birds but the sound of movement across the loft put paid to that theory. I have known rats in the loft in other properties and this didn't sound quite right. Talking to neighbours the problem extended along the entire row of houses. A professional identified the intruder as that peculiarly Chiltern problem the edible dormouse. I checked my loft and found grains of expanded polystyrene scattered over the insulation out of some blocks that the previous owner had left there. I put up a camera trap which wasn't triggered and I haven't heard anything since. As they hibernate for around 6 months I imagine that I will now have some quiet nights until the spring.
Once upon a time you could find me birding on the Thames marshes almost every weekend through the winter. For various reasons I am now seldom able to travel to good birding sites. I am lucky, however, to live in the beautiful Chiltern Hills and this blog is to document the birds that I see on my own patch.