Just chiming since the subject of what chickens will eat and the word "nickels" was touched on.
One Sunday morning when I was about 5 years old my church offering of 25 cents, composed of 2 dimes and a nickel, was grasped in my sweaty little hand. We stopped somewhere for something and somehow I ended up filling that hand with grain to feed to some chickens - my change was underneath the feed. ...You see where this story is going... When the chickens had finished the grain, my two dimes and nickel had disappeared as well. I cried, devastated because the chickens had eaten my offering. I'm over it now, though.
It's amazing the large and weirdly shaped items that can disappear down a chicken gullet!