“Archibald Thorburn Warbler and Wrens 1913” by Archibald Thorburn – Bonhams. Licensed under Public domain via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Archibald_Thorburn_Warbler_and_Wrens_1913.jpg#mediaviewer/File:Archibald_Thorburn_Warbler_and_Wrens_1913.jpg
