So I'm recording who is starting to lay, and it turns out we have a visitor. An eastern brown snake. When he drops to the floor in the video, he rolls over the two eggs that aren't visible. I took the eggs 15 minutes later.
This was recorded on my Acorn trail camera. I'm now going to try and record any further occurrences and trace it's origin.
Excuse the angle, and the timestamp is showing the wrong time. It was around 11:00am in the morning. It was a reasonably warm Autumn day.