He was looking for Robin's nest.
I have no idea, but this looks like a good joke. So post your proposals in comments.
Awww, look daddy, doughnut seeds!!!
Because he has 3 dead parents and Bruce only has 2
The Family Channel.
A sanitary owl
So the Germans can march in the shade.
Flatman and Ribbon
Get in the car"
To see what was on the other side.
That's impossible, because they can't climb the ladder.