NO WARMER THAN 40 degrees farenheit.....just like your refridgerator is ..hopefully
Some say de-hide them asap to allow meat to cool..contamination control.....but if temp is already cold 40 degrees or less you should be good to go! I ASSUME YOU GUT THEM WHERE THEY FALL!...HEAT IS LOST THAT WAY.....MORE THRU SKINNIN...IF ITS BELOW FREEZING IN THE WOODS ....NO WORRIES MATE!!