Burchell's Zebra Burchell-Zebra Equus quagga burchelli plains zebra Equidae BUZE EQUQUA Mammal Southern Africa South-west Safari Nxai Pan National Park Botswana March africa african animal animals black blue conservation game grass grassland herd meadow migration natural nature outdoors pattern reserve savanna savannah serengeti sky south stripe striped travel white wild wilderness wildlife two group pasture Asia