But she hadn't made her mind up, had she! That would be too simple.
Ten seconds later she's back for another look.
Well, it looks as though she's going in this time!
Clearly I spoke too soon.
At last!
It's interesting to note that this female has a fairly uniformly coloured back with only two white spots from its wing feathers.
She doesn't stay long though. After about 12 seconds she's off again.
This time she turns and lands on the roof of the box.