We had the cubs last year too and there was one that took to sunbathing during the day and generally freaking the local birds out, even when it got older and full size.
I'm reasonably sure that's the one that has taught these cubs to come out while it's daylight too :)
(,
Wed 18 Jun 2008, 9:16,
archived)
I'm reasonably sure that's the one that has taught these cubs to come out while it's daylight too :)