I'm seriously thinking about building a snake den out in the pasture so that the various snakes around, including rattlesnakes, can have a comfortable place to spend the winter.
It doesn't need to be "warm", but it does need to be warmer than freezing.
I'm thinking about digging a hole about six feet wide and a foot and a half thick and tmaybe three feet deep and hen layering in cinder blocks to make an underground cavern for them along with some larger rocks piled on top and dirt filling in the north sides leaving multiple entrances on the south side.
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