Flockers Achievement

You unlock this achievement by saving the sheep from taking fall damage and dying by landing them on other sheep.
You can complete this achievement on level 4 during the "Sunday Lunch".

Half way into the level, you have to explode jump a sheep to wake up ten more sheep. These are the sheep you will save.
The on screen hints show you to put a single block below them. This will house the sheep that the ten will land on.

If you follow the hints showed by the level, you will save ten every time. You must finish the level to register the sheep saved I just held speed up till one sheep got the the exit then pressed Y and the restart.