The animal is just as it sounds: a rare and unusual cross-breed between a zebra and a donkey.The foal, named Khumba, was born at the Reynosa Zoo in Mexico on April 21.The story goes that there was some romance along the way.A female zebra called Rayas, and his father, a blue-eyed albino donkey named Ignacio, used to visit every afternoon. Eventually, Rayas became pregnant.The zoo says the animal is extremely rare because zebra and donkey chromosomes were thought to be incompatible.(dailymail.co.uk) ANN.Az