March 23, 2013

A snail colony

A sheltered corner of the railway bridge near Tooting Common has become home to what must be a couple of hundred overwintering snails, stretching all the way from ground level to twenty feet or more up into the brickwork:

Marks on the walls seem to suggest that they move from one side to the other, possibly depending on wind direction. The cabling may also provide shelter – or even protection from frost!