I am not sure of the sex's of the pekin ducks i know that the miscovy now we have discovered that he is a boy because he has tried matting with one of the pekins.. the pekins i would say are maybe 4 months old maybe a little older but not much, they have been eating fine and getting along for the most part until this fight where the miscovy had the pekin pined down but now the pekins are a little bigger then the miscovy duck. but the injured pekin i have set it in the pool of water holding its head because its feet and beak have become really hot to the touch just for a very short few mins... but it dosent seem to be slowing down on the twirling and the head jerking movements that it is making.. I am a first time pekin duck owner i have had other miscovy ducks and havent had anything like this happen..I dont know what i should do i have had it in a box with a blanket to keep it from twirling around so much but it breaths so heavy that it gets over heated. Do you have any other suggestions?