Mysterious holes in trees

Mysterious holes in trees

Observation - Mysterious holes in trees - UK and Ireland. Description: Predominantly found in Oak sp. in a small patch of woodland adjacent to larger broad-leaved woodland and an area of grassland within a nature reserve. There is also a bridleway running along the edge of the small patch of woodland.

Predominantly found in Oak sp. in a small patch of woodland adjacent to larger broad-leaved woodland and an area of grassland within a nature reserve. There is also a bridleway running along the edge of the small patch of woodland.