Quagga/ˈkwæɡə/ Definition 1 of 3Pro Tip 1/3Extinct Species Understand that 'quagga' refers to an animal no longer living. Quaggas were last seen alive in the 19th century. Pro Tip 2/3Horse-like Zebra A quagga looked like a zebra in front but had a plain brown rear. The quagga had a unique pattern unlike any zebra species alive today. Pro Tip 3/3Species Classification The quagga's species status indicates it's not just a zebra variety. Although similar, scientists classify the quagga and zebra differently.