I took out something black on the underside foot of my 8 month old bantam golden laced cochin today. The type of environment where he lives, contains mostly sand and dirt and few small rocks. I tried to clean it today, and it is definitely not a poop. It was easy to take it out with pressure from my fingers. After taking it out, the black hard stuff appears to be stuck on his scales, and the skin under the black stuff was exposed. I didn't see any blood coming out, when I took it out, and the skin under the black hard stuff, looks normal( I don't feel anything hard or any signs of swelling and redness). The black hard stuff is like a scab on the skin. I only saw it 4 days ago. What could it be?