Oh yes, I realized that I should provide additional information about their housing situation and environment.
They still sleep inside at night in a very large rubbermaid bin with soft pine shavings. Although, I've added newspaper under the shavings. (I've been trying to leave town the past...
My Leghorn has little brown spots on her feet. I noticed last night for the first time and thought it was mud, as they'd just been out in the recently watered garden, but today they were still there. They look kind of like freckles. I have searched posts here and other online sites/forums...