Flash wont give Fluffy the food.
So Fluffy accepts the inevitable and moves out of the way . . .
This is another very similar sequence. But this time there is no sac!
. . . so that Flash can feed the chicks himself. After checking that there isn't a sac to dispose of, he promptly goes.
Just to show there are no hard feelings, the following images start with Flash trying to feed the chicks when Fluffy is not in the nest.
Come on then - you're supposed to eat it! Fluffy comes in with a small green caterpillar, and waits patiently for Flash to finish.
This is the first picture with all five chick gapes showing