I'm talking rarely warmer than 50F (I'm in Maine) when I wake up in the morning…I bet if it went that low at your house, he might be right under the covers. 
loose at night since they are in their crates during half the day. I have the crates open all night, a lot of time they prefer going in the crates and sleeping half the night in there.
I love that you have a dog who eats grasshoppers. What great survival instinct to have, if anything ever happened where he was forced to fend for himself….being able to catch things like that would probably get him by for awhile. My dog and my cat used to team up and catch voles together, but Beo always let them go, without harming them....never ate them. I don't think he'd be able to survive very long on his own.
Supposedly Beo's mom, when still in Africa, was very proficient at stealing and catching her own food. She continued to catch and eat little prey animals that went into their yard for a time after being brought into the US... before learning that humans provided food for her.
.....a year or so back I found what I thought was a stray dog begging me to take her in. Skin and bones. Turned out she had been on her own for over month in the wild. She was only puppy who had been, literally, left behind by her owners when they decide to move. (I managed to get in touch with her original breeder who was lividly trying to find her after making a check up call and discovering what had happened ....and this is exactly why breeders should make calls every now and again to check on the pup).
But, anyway, surviving in Alaska not the easiest thing for a puppy to do....she had some strong survival instincts. Most dogs die after a couple weeks, especially young inexperienced dogs.
