Big Woodworm

Big Woodworm

Observation - Big Woodworm - UK and Ireland. Description: Holes in standing dead alder tree trunk.The holes are 10 to 20 mm in diameter.There are greater spotted and green woodpeckers in the area.Did they do this?

Holes in standing dead alder tree trunk.The holes are 10 to 20 mm in diameter.There are greater spotted and green woodpeckers in the area.Did they do this?