> The fledgling just stood there

Apparently that's normal procedure. First the mother brings the worms to the nest; next, when the fledgling can fly, she shows it where the worms come from. After that, she does a flit, and the fledgling has to work out what to do next for itself.

.... Apparently our alleged PM hasn't progressed beyond the second stage yet, but that's a rant for an entirely different thread.