Rock (and roll!) Grayling

The great Dutch biologist Niko Tinbergen, first described the highly stereotypic courtship behaviour of the Grayling, Hipparchia semele (Linnaeus 1758), a butterfly which was common on a dune area in the center of the Netherlands, Hulshorst sands – on the shores of the Zuider Zee – where he was carrying out research on digger wasps. The complex…