White ducks holding picket signs. Composite image.
Atsme
CC BY-SA 3.0
Ducks: <a href="//commons.wikimedia.org/wiki/File:Ducks_Pshenyanovo.jpg" title="File:Ducks Pshenyanovo.jpg">File:Ducks Pshenyanovo.jpg</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Matskov~commonswiki&amp;action=edit&amp;redlink=1" class="new" title="User:Matskov~commonswiki (page does not exist)">User:Matskov~commonswiki</a>; Pickets: <a rel="nofollow" class="external free" href="https://www.flickr.com/photos/10630857@N04/4416261251/">https://www.flickr.com/photos/10630857@N04/4416261251/</a> by Roger Blackwell