Yes, and there was nothing wrong with them. I lost another duck that same day, but since then they've all been able to walk and haven't seemed to struggle at all. It's possible the two that died were earlier attacked by the drakes, but as for the two that we witnessed neither could walk...
I have some mature drakes and they ganged up on a couple of my 8-week old ducks, as far as I know it was only two and we intervened as soon as we noticed. One(a runner) had two drakes on it and the other(pekin) only had one. Neither could walk. I carried them back to their pen and the Pekin was...