Closeup photo of our mixed breed (part Silkie) rooster Pasquale's feet, demonstrating Polydactyly ((Po) locus) in the common chicken / poultry.  This photo was originally posted at <a rel="nofollow" class="external free" href="http://FithFath.com/Farm">http://FithFath.com/Farm</a>
<a href="//commons.wikimedia.org/wiki/User:6th_Happiness" title="User:6th Happiness">6th Happiness</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>