“In what would be an unprecedented feat, a South African amateur scientist says he is going to bring an animal back from extinction: the quagga. A large mammal that descended from the zebra, the quagga filled South Africa’s plains for millennia. But it fell to gun-toting European colonists and was last seen alive in 1883.” – slate
I think this is a hebra (horse father, zebra mother). A zorse (zebra father, horse mother) is usually not patchy (the white legs).