Can anyone hazard a guess as to what these are. Just a couple of videos but are constant throughout the house

53 minutes ago, paulomor said:

Can anyone hazard a guess as to what these are.

Is it from a night vision camera? Is the shutter speed slow? My guess is flight tracks of an insect, like small moth, over several wing beats. I assume you mean the bright things moving, as seen in this screen shot from 2s into first video:

Not sure as to the specs of it but a Eufy surveillance camera. Seems strange that it heads out and then back to the same location (almost). I am not that au fait with the workings of these things but slowed it down and got the same image as yourself and assumed it was a worm like thing flitting about

6 minutes ago, paulomor said:

Seems strange that it heads out and then back to the same location (almost).

That's a pattern of behaviour that you see in insects often, IMO.

30 minutes ago, paulomor said:

I am not that au fait with the workings of these things but slowed it down and got the same image as yourself and assumed it was a worm like thing flitting about

Maybe you can do an experiment? Like dropping a small round object in front of the camera and see what the resulting video looks like? You could try different things so that air resistance affects the velocity, for instance a small metal ball, a piece of paper, a tiny feather or similar.  

I don't think it is an insect. Maybe a small rodent?

1 hour ago, Genady said:

I don't think it is an insect. Maybe a small rodent?

What rodent would follow those paths, through the air?

21 minutes ago, swansont said:

What rodent would follow those paths, through the air?

If it is small, dark, and fast, the camera and we don't see it, except maybe a white spot on a tail. Its body jumps straight, but the tail might zig-zag.

40 minutes ago, Genady said:

If it is small, dark, and fast, the camera and we don't see it, except maybe a white spot on a tail. Its body jumps straight, but the tail might zig-zag.

A jump of any distance would follow a parabolic path, not a straight line. And a jump (especially upward) wouldn't be at ~constant speed

I also wondered if this could be something moving on an air current.  I wasn't really convinced it was biological.  Maybe some bits of material blown out of a HVAC register?  

2 hours ago, swansont said:

A jump of any distance would follow a parabolic path, not a straight line. And a jump (especially upward) wouldn't be at ~constant speed

In these videos, I don't see that the path is not parabolic and that it is at a constant speed.

45 minutes ago, Genady said:

In these videos, I don't see that the path is not parabolic and that it is at a constant speed.

Ghideon posted a screenshot that looks quite straight.

2 hours ago, TheVat said:

I also wondered if this could be something moving on an air current.  I wasn't really convinced it was biological.  Maybe some bits of material blown out of a HVAC register?  

Or something out of focus moving on or in front of the camera lens.