Butterfly or Moth?

Butterfly or Moth?

Observation - Butterfly or Moth? - UK and Ireland. Description: Thought it was a butterfly as out in the afternoon but now not sure if it's a moth have looked through many ID books and online and can't seem to match it. Found on edge of light woodland and grassland.

Thought it was a butterfly as out in the afternoon but now not sure if it's a moth have looked through many ID books and online and can't seem to match it. Found on edge of light woodland and grassland.