I hatched out a sumatra rooster last year from shipped eggs, the only one. Luckily I had an oegb egg in there from my own pen. These birds were inseperable. They would run around the property together and the sumatra would always look out for the oegb. It turns out that the sumatra was a roo and the oegb is a hen. We decided to let him hang out since he didn't cause any problems, was quiet, and that little girl was attached to him, she panicked if he left her sight. Fast forward....hormones struck! He started running off leaving the little girl, she then made friends with her sisters that had hatched a few weeks earlier and now spends her time with other "little girls". This stupid sumatra now chases my ducks!!!! He is always trying to mate my runners and cayugas, the boys included. One of my ducks recently suffered an injury and we didn't know what happened. She passed and I was still stumped, until yesterday. I let the ducks and chickens out and he automatically was frantically trying to mate my poor ducks and they tried their hardest to get away from him. I feel bad because he is so beautiful, and quiet, but I don't want to suffer any more losses because he is stupid. I am not going to make a pen for him just because it isn't in my budget since I am not pursuing this breed anymore. Has anyone ever had a chicken that kept after the ducks like this?!?!?!