I switched from hay to wood shavings in our nesting boxes and my hens really seem to like them! They have stopped using the boxes as toilets and have actually started laying in the boxes (I used to find eggs on the floor of the coop)! A couple days ago I went out to the coop to gather eggs and one of the hens was in a box wiggling around covering herself in shavings! I caught another one today almost completely burried! Has anyone else seen their hens do this?