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, but haven't heard of this or seen any pictures. Is there anyone who knows what this is, if it's a problem and how to treat it if necessary. Also, they are smooth to the touch, soft--just like her leg skin (she's only 9 weeks old). Thank you in advance!