Last night went to collect eggs (got home late) and they were already on the roost half asleep. We had put two heat lamps in their house - one pointing upwards and one pointing downwards. As I was getting eggs I smelled a burning smell. Looked up and Souffle had backed her rump up to a heat lamp and her tail feathers were smoldering!
I quickly got her down, checked her out and reset the heat lamp somewhere else. Now I know why you put the little metal cage on the lamps! I know chickens aren't at the top of the food chain but...
