I have 2 Khaki Campbells (bought at Rural King) and 1 Muscovy (bought from private seller). I have no idea how old they are so I attached a couple of pics for reference. I have their brooder in the basement, and I very rarely see them getting under the heat lamp. Since it's hot here in Tennessee (93 during the day, nighttime lows around 70), I decided to let them outside this morning to mingle with the chickens. They seemed to be loving it. No stressful chirping or anything, very calm and relaxed. It was around 72 degrees when I put them out there, and they still made a point to find shade to lay in. I'm pretty sure I'm going to start leaving them outside during the day. But what is too cold at night for their age? Could I get away with leaving them out permanently or just bring them back to their brooder at night? Ordinarily I wouldn't try to rush things, but I'm a 1st time duck owner (experienced chicken owner) and I can't believe how bad they can make things smell inside. Chickens are nowhere near that messy and stinky.