Observation notes: This male Bog Copper landed only for a few seconds before chasing another male from his territory. The two males spiral high into the sky before returning to perch on vegetation. They're not too picky about their perch--even an Arethusa bulbosa (orchid) will suffice. I've only seen them nectar on wild cranberry flowers. Males only opened their wings when the sun shone. If a cloud (or my shadow) obscured the sun, they immediately closed their wings. Very challenging species to photograph!
Scanned from original photographs, taken on Kodachrome 64 film.