We got our 7 ducklings out today who are about a month/month and a half old. There are 5 muscovies and 2 magpies. 2 of thd muscovies are drakes and 1 of the magpiesmis a drake. The magpie we thought was a hen, nearly died and is therefor smaller and less feathered. The three muscovy hens have long wing feathers, same with the magpie drake. When we got them out, I noticed bloody tips on the full chocolate muscovy drakes wings, and completely gone empty black holes on the magpie hens wings... igh. I looked at the other drake and he seemed to also have slightly bloody tips, but nothing as serious. So we sepearated the two magpies, both because they are a pair, and we put the other full chocolate muscovy with them. We have recetly moved them into a barred metal cage so that they poop through the bottom to the ground. And we think that maybe because there were so , any, that constant rubbing up against the cage could have bloodied some feathers, but we also know that they picked on the smaller female, and so maybe because the wings of the two wefe more exposed than the others, that the other ducks nibbled at them. Here are pictures on just the muscovy drake... I couldnt even look at the magpie henx wings, she hung them at her side and there were absolutely no flight feathers, only black holes of dried blood where they used to be.