Alien Activity Nextdoor

It's that ethereal time of year again. The temperature plummets,,, and the nights grow long... and the woodland creatures tuck themselves into their burrows in anticipation of the will-o'-the-wisp invasion. This phenomenon is particularly odd in Lopstick, though none of my neighbors will speak of it. I did manage the capture a few seconds of one flying away...

Are they terrestrial?

Are they extraterrestrial?

Is there a third category?

I believe they will remain a mystery...