Now there were only three chicks in the nest box. Would the other two mature looking great tit chicks go, leaving Scrap by himself?
But what's this - it's Scrap which is showing an interest in the outside world!
He scrambles up to the nest box hole and flaps his wings furiously for a few seconds.
Scrap then stays looking out, perhaps for the first time.
"No not yet, wait till I've grown a bit more!"