I always loved Olives, I used to look up pictures of them all the time, its the only snake that came to mind when I saw the video, but I always thought I was wrong since I know nothing about larger pythons.
I've seen it twice and I jumped both times, even though I obviously knew it was coming the second time, I'm a dork
This was posted before and someone said to look at the waterdrops and at the nuts. They're pretty big meaning they just made it look big through illusion.