Some butterflies on Chailey Commons today

Small Heath.

Peacock

https://butterfly-conservation.org/butterflies/green-hairstreak

Alder Buckthorn

 See https://www.wildlifetrusts.org/wildlife-explorer/trees-and-shrubs/alder-buckthorn for info'.
It is the food plant for Brimstone Butterflies and there were lots flying this day: below two males fighting each other.

What looked like Holly blue butterflies were seen but not photographed.  And an unidentified "white".