I can't take a video - don't have equipment.
I wish I could!
She's definitely not nervous. My paint who is always nervous about something never does it though. I know it sounds stupid but could it be just her being not very happy about possible work or other people?
Appyt, it's a real full snort. I'm getting all dirty from top to the bottom if I'm not fast enough to jump from the way. And it always seems to me she's --intentionally-- targeting towards me (or strangers). At least she's very good at doing it right into your face.