Just got these today, 6 Production Reds, found em in the 75% off tub, brought home put in Tweener coop, "has ceramic wall heater," From an Office Supply store years ago. set it to 75 , put in water bottle, & feeder, Open door in case they want to see outside.& have Take Pic... Now if I just Knew how Old ? Look Older then 2 Week stated, have Feathered Wings, Tails, Just Fuzzy bodies..... I'm thinking . . . with each others Body Heat & the wall Heater. Should be Ok, Temp stay constant. Now do they NEED an Window to see tha world ?