While walking to my stand I heard a loud crashing sound. I thought I was being attacked by a bear. I swung around and took aim only to see a tree coming my way. Fortunately for me it got wedged in the fork of dead tree trunk.
And mostly I get the heck scared out of me by the growing shadows that seem to lunge towards you . As your flashlight cast shadows from unseen branches and brush. Sometimes this happens 2-3 times on my way to my am stand.
I also had what I'm assuming to be an owl crash into my chest an hour before daylight.