Earthworm for ID, please

Earthworm for ID, please

Observation - Earthworm for ID, please - UK and Ireland. Description: I have some doubts if this worm can be identified by the photograph but the place it was found may give a hint: at night, about 1.5m up a smooth, dry sandstone wall! Sadly it had fallen off before I manaaged to get my camera. I've never seen a worm climbi

I have some doubts if this worm can be identified by the photograph but the place it was found may give a hint: at night, about 1.5m up a smooth, dry sandstone wall! Sadly it had fallen off before I manaaged to get my camera. I've never seen a worm climbing a wall before: is this a normal activity?