A sheep, a cow, and a pig are standing at the farm fence watching the arrival of a truck with new livestock.

Sheep: Who do you suppose is arriving this time?Cow: It could be a cow.Pig: It could be a pig.Sheep: It could be a sheep.

Two ostriches step off the truck and on to the field.

Pig: What are they doing here?Cow:(calling out) Go home, you dirty foreigners.Sheep: We have lived on this land for generations.Pig: No room here. It’s crowded enough as it is.

Cow: They messed up their own land, and so now they have to come and mess up ours.Sheep: Here goes the neighbourhood.Pig: They say ostriches can kick something terrible. They’re introducing violence into society.Cow: Next thing they’ll expect us to welcome alpacas.