Hakob Avetyan holds a two-headed calf in the Armenian village of Sotk, on January 28, 2011. The two-headed calf was born on January 25, 2011, in the Avetyans’ cow house. Two-headed people and animals, though rare, have long been known to exist and documented. AFP PHOTO / KAREN MINASYAN (Photo credit should read KAREN MINASYAN/AFP/Getty Images)
