2 pekin, 2 swedish, 2 buff, 2 cayuga, 2 runners. Lots of questions: I don't have a house for them. Would a 4Wx8Lx2H be okay? How much ventilation do they need, same as chickens? Also I have a stream right next us. Suggestions on placing the house on the bank of the stream or further away? Or should I just have a kiddie pool for them? Fencing? We do not have alot of predators, a few hawks, owl at night but I also have chickens and they free range just close them up at night. Would that be okay for ducks? We are in NH so it gets cold, snow, ice. Any other sugestions on building them a nice pad? Thanks!