Plitvice Lakes (Plitvicka-Jezera National Park), Croatia (June, 2016).
Unlike the other orchids these like shadowy places and we found them under trees near one prairy.This is because is a non-photosynthetic orchid. The birds-nest name appeals at the shape of their rhizome.They must have some pollen that ants like because I always saw some ants on them. As for the trees I cannot remember which type were they but I think they could have been pines or alike.
''Neottia nidus-avis'', the bird's-nest orchid, is a non-photosynthetic orchid. It is widespread across most of Europe, occurring also in Algeria, Tunisia, western Siberia, the Caucasus, Iran and Turkey.
In the British Isles, ''Neottia nidus-avis'' is found in shady woodland, especially beech, on basic soils.