Fluff-nest

A few days ago, I brushed the Fluffy, because his hair is sitting loose.
I thought it might be nice to see if the blue-tits  will like the fluffhair for their nest.
So I put it out in a tree.
Only a few minutes later...
there was the first blue-tit.
Immediately he started pulling the hair from the branches..storing it into the nestbox.
How simple can life be