Off the nest and by the lakeside with three or four cygnets!

There's a nest in there.

Fat pigeon made his escape as I sought to capture his image.

Sad to see this little squirrel corpse. I don't know what happened, though his head looked a bit squashed. Rather different from this...

I did say I couldn't get close.

Puzzle solved

So, the three brave crows were receptive to the monkey nuts.