Approximately 7-8 cms, hard and dry, looked just like a giant dried black/grey/white bird dropping on a felled tree stump (in mostly deciduous woodland).
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Lat/Lng: 49.20619, -2.15883
OS grid ref: S^885228