I agree bee. Even as a newbie I listened to you and other OTs and pulled out the insulation. My girls favorite roost was in front of the half opened end. No frostbite anywhere. Their feet were warmer sitting on that roost in front of that opening than mine in the house
And I had an alive earthworm in the DL spend of December when temps were in the teens. That DL certainly did its job

And I had an alive earthworm in the DL spend of December when temps were in the teens. That DL certainly did its job