I may be interested in nothing here, but I got 6 assorted layer pullets. Two were cute yellow little fluff balls. I assumed they were leghorns. One of the chicks always had what looked like a dark, super tiny smudge on the top of it's head with maybe a little hint on the neck. Very small amounts, I didn't think it was a big deal. Today I noticed one has gotten a dark feather on it's leg. Is this normal for leghorns, or could this be a different type of chick?