black South Africa stripes white wildlife zebra eye lines reflection skin stripe tick black and white common hair Morning animal face horse maine blue straw water background colors colours curve curves decoration decorative graphic green illustration line shape shapes swirl swirls wallpaper wave waves african bark black coats black skin Bray common zebra equids erect manes fast grant’s zebra grazers harems herbivores herbivorous herd herds individual mammal mohawk-like manes patterns plains zebra social stiff manes ungulates unique white fur white stripes