Close enough

When reality gives way to art: somewhat fanciful behavior is pictured in a splendid poster (ca. 1926) by Oscar Rabe Hanson promoting commuter rail service in Chicago, part of a long article by J. J. Sedelmaier. The ducklings following the adult Wood Duck would more likely be single file, and more closely bunched. More critically, the little ones would be following a hen, not a drake.