I’ve mentioned before that I have a nest box at the back of
my house, close to the kitchen window. The blue tits raise a brood there every
year, so from about late March to late May I see the adults going back and
forth, first with nesting material and then food. Eventually there comes a time
when I realise that I haven’t seen them for a couple of days, so I assume the
young birds have fledged and that’s it for another year.
Yesterday, one of the adults did something unusual. He flew
from the hedge to the box, and then perched on the entrance poking his head in
and looking around – for a full ten minutes. He came back a while later and did
the same thing again.
Since then I haven’t seen them bring any food, so I assume
the chicks have flown the nest. So what was this adult doing? Had he been away
on a long trip and didn’t know the kids had gone, or was he checking to see
whether he’d left anything behind?
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