UFO's and Cows

The object of the game is to hover your space ship over the cows, pick them up and move them to the portal.
You have 60 seconds (1 minute) to move as many cows to the portal as you can.
You only need to move your mouse in the game and your space ship will move as your mouse moves.
When you hover over a cow, the cow will automatically be picked up.
You must then move your space ship/mouse to the portal where the cow will be released into the portal.