I Flocked around this morning before heading to the airport. It's getting to the point where it's becoming more and more difficult to accomplish each level. I'm on level 37 now. There are more holes and cliffs for the animals to fall off of. On top of that, the animals often don't do what you expect them to. You'd think with an alien ship you could control their movements a little better than this. Alas, you can't.