Here is a recent trailcam pic that shows a ghostly object that actually casts a shadow on the ground below it. In the frame prior to this there is nothing to see. In two frames prior there is a doe exiting the frame. Weird!
My guess is that it was a bat that the flash washed out... but then that is a large bat. If you look closely at the pic with the deer exiting the frame there appears to be the same figure in the far background in the upper left. Still pretty eerie! The wife now wants to camp there for the night to try and see it. I told her she was crazy!
Not a bat...moth. Big one, too. The wings and body are the right shape and you can see the antennae. It's close enough to the trail cam to wash out the color while blocking the light from the flash and throwing a shadow to the ground.
Wild boars are like many other (male) wild animals in that they will tangle over the affections of the fairer sex. Nature has however given them some additional padding over the fairer sex to prevent them from tearing each other to shreds. This bony cartiledge is most commonly referred to as the boar's shield. This armor helps prevent the tusks of mature males from penetrating into the vitals of their rivals (usually). I'd heard of such a thing before going on my first wild...