Regardless of the history or reasons for the unique characteristics of these animals, they are among the most well-known genetically mutated individuals in history. An eight-legged goat: In Croatia, a baby goat was born with a genetic abnormality that resulted in four extra legs. This is because one of the children absorbed one of his brothers or sisters in the womb. Farmer Zoran Papari told reporters that he first thought he would go crazy when he counted the baby's feet, so he had to invite the farmer's neighbour to confirm that he was not deceived with his eyes. The goat, most likely, did not live long, but the farmer planned to keep the animal as a pet if the goat survived.