Hello, I need a little advice. I have one Black Australorp and two Buff Orpingtons and I'm having trouble trying to get them from the run and into the coop at night. I've just introduced them to the outdoors last Saturday the 7th of April. In the morning they can get down the ramp but at night they only sit in a little pile all together in one corner of the run. I've had to "put them to bed". They usually stay in once in and I find them on their roost the next morning. I've read other posts by people saying this is the right thing to do.(by training them) I'm tempted to just leave them be and see if they figure it out. It's not too cold in Spokane anymore. Usually we are in the low 40's at night but I keep a heat lamp in their coop and keep it around 80 degrees. Is the heat lamp needed still for 1&1/2 old chicks with the temp at night being what it is? Furthermore would the lamp detour them from entering the coop at night? Thanks guys!