I was completely kidding about the pack, I think you'll love it for running around in all day. It might not be the most comfortable if you have to pack out an animal, but who cares about that after getting success in the field?
Went through the updated list...I would still recommend you add an emergency bivvy and some kind of firestarter like trioxane. Even if you are close to the truck you could end up getting stuck out overnight, and those two things are cheap/lightweight insurance in case you do. I've used trioxane to start a fire with wet tinder during a downpour, stuff works great! Emergency blankets and/or a sheet of tyvek will not keep you even a little bit warm at night, trust me on this one, I know! A SOL bivvy will do much better.
Are you carrying a lighter in your pocket at all? I noticed you have a mini Bic in your possibles pouch, but didn't see another one. I carry one in my pocket all day for lighting my stove so I don't have to dig into my possibles bag every time I need to cook.
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