I'm brand new to chicken raising, and I just brought home my first five chicks on Friday. They're a week old and very active. My question is this. When they were being kept at the school, they always huddled by the heat lamp, but now that they're home they always sleep farthest from it. I had thought they might be too hot, but they also huddle together while they sleep- which I thought implied that they were cold. Is it just that they like that particular corner, or are they too hot? Before I moved the heat lamp farther away, they had been panting, but they aren't anymore. I'm using a 250 watt bulb just over a foot over the brooder on one side, but the other side is unheated. The chicks sleep in the unheated side, but they definitely don't avoid the heated side, they just don't sleep there. They're very active, but take semi-frequent naps. How do I tell if they're too hot or cold?