rare occurrences of newborn and four-legged wings

there is uniqueness of each animal born in this world. just happened in my village aceh.indinesia. four-legged leg ..
IS THE CHICKEN OF THE CHICKEN IN THIS WORLD SO MANY .BUT EVEN THESE PLACE AT MY PLACE HAS NEVER HAPPEN IN OTHER PLACES

HE LOOKED FOR FOURS AND WAS HAVING FOUR DAYS .THEY WAS REALLY REJECTED