scaly legs

Hi there, Does this look like scaly leg mites? I was looking at my rooster's spurs and noticed that his legs don't look quite as smooth as I was expecting. I can't say I noticed them looking really smooth lately, but I was a bit concerned when I saw them. He is about 2 years old and otherwise...

I have a four-year-old barred rock hen. She has a large belly, is missing some feathers under her butt, has a slightly ragged comb (not from fighting), and has scaly legs. She is heavy (compared to my other chickens) and walks with a waddle. Additionally, she often sleeps outside the back...