Another swap-over in Box1.
Another swap-over in Box1.
Yet another swap-over. They must be keen!
In comes the female.
This time the male stays a bit longer.
The female has moved closer, but he has still not taken the hint!
Before he leaves, the male flies up to the top of the nest box.
it looks as though he couldn't find anything to grab hold of - good!
And now he's away!