There was a war between Australia and.... Emus. Links below. Enjoy. I know I did
“Meredith, in no doubt the proudest moment of his military career, decided to set up a proper military ambush at a local dam in order to surprise a group of 1,000 emus. Once again, the birds scattered and slipped away. This scenario repeated itself until Meredith’s I’ve-Had-Enough-of-This-Shit-O-Meter reached critical levels. He mounted one of the machine guns on the back of a truck in order to hunt the emus down and just flat out drive-by the bastards, gangsta style.
The emus easily outran the truck and led it over such rough terrain that the gunner didn’t even manage a single shot. The chase ended when the truck crashed through a fence”