Large Skipper or Small Skipper?

Large Skipper or Small Skipper?

Observation - Large Skipper or Small Skipper?. Description: Monkwood Nature Reserve, Worcestershire. Details both large and small on their website. I can't tell the difference. Shadows don't really help on this shot either.

Monkwood Nature Reserve, Worcestershire.

Details both large and small on their website. I can't tell the difference. Shadows don't really help on this shot either.