Oh, there's always a reason - their own amusement, or to express their total disdain for the rest of the world.
The kitten riding the tortoise was especially funny, as was the one cat locking the other into the flat box and then sitting on it.
All of mine have abandoned any pretence at caring what they knock down and/or destroy. Sigh.
The number one song on the day I was born was "Poor People of Paris." I played it, and it was big hit with all the parrots. I'm going to have to add it to their listening list.
Jimmy Kimmel.
