I check my girls for crawly things regularly. It's easy since they like to sit on my lap. I just lift their wings and do a check. This afternoon I peeked under my 1 1/2 yr old Buff Orpington's wing and saw crawly things! SEVERAL. They were very small and were moving in the feathers. I did not notice an accumulation on the feather shaft that I have read about. I have read that Sevin is effective but is Sevin for lice, mites or both and how do you know which is which? Are their lice the same kind that school kids get? Do I need to get lice shampoo for me?! Oh, the horror!