Getting more space and more time without light has not stopped the pecking or picking. "No Peck" did little good. I even observe them picking at themselves.. One of them looks pretty bad - his elbows are bare. Today, a vet friend suggested "de-beeking". No, you do not REMOVE the beek. You simply use the Dremel and a sanding drum (just like we use on our dogs' nails) to grind down only the sharp point. He says it does not harm them and it would be an absolute end to the problem. What do you think?