BOB GIBBONS / SCIENCE PHOTO LIBRARY BOB GIBBONS / SCIENCE PHOTO LIBRARY
Dark green fritillaries (Argynnis aglaja) mud-puddling. Dark green fritillary butterflies drinking moisture from the surface of animal dung. This behaviour, known as mud-puddling, is the way in which butterflies obtain nutrients and salts. Photographed in the Pontic Mountains, Turkey.
Model release not required. Property release not required.