Currently, a flock of chickens poses the biggest threat ever to any civilized area. Why? I will explain to you a phenomenon known as 'chicken vision'.
When a male fox senses it is mating season, he will become extremely aggressive. During this time he will attack everything except bears. It takes a lot of energy to keep up this warpath, so foxes have developed special senses to help find prey. During this time a fox will have a keener sense of smell and sight, allowing it to sense and home in on flocks of chickens from up to three rings away. Chickens are a rather inconspicuous creature, and so one does not usually become frightened when a flock shows up at their door. There is only one small problem ladies and gentlemen. In our land... It is ALWAYS mating season. So when one day your relationship with the chickens turns sour due to them calling in a swarm of foxes to your house, think of this paragraph. Remember the words of wisdom. Ladies and gentlemen, do the world a favour. Slaughter every chicken you see on the spot.