Tineman was a leading public advocate for avian research.

Fortunately, Count von Bothmer’s stork offered physical proof not only that European storks were migrating south for the winter, but also where they were migrating to. Ornithologists across the continent were eager to map the trajectory of this flight, including Johannes Thienemann. Owner of the world’s first permanent bird observatory, Thienemann was a major public advocate for the study of birds. And to solve the field’s biggest mystery, he wrangled an army of volunteers from across Germany.