african bark black coats black skin Bray common zebra equids fast grant’s zebra grazers herbivores herbivorous herd herds individual mammal patterns plains zebra social stripes ungulates unique white fur white stripes zebra agricultural agriculture animal husbandry Australian beef black bovine breeders cattle commercial cow farming farmyard grass graziers grazing hair hide horned horns livestock meat production paddock profitable reproductivity resting rural skin solid surface black-&-white black-coats black-skin common-zebra grant’s-zebra greyscale monochrome plains-zebra striped white-fur white-stripes agile ammotragus lervia aoudad arruis arui Barbary sheep caprid climbers crepuscular distinctive goat-antelope gregarious herbivore jumpers mane North African sandy-brown shaggy hair sure-footed sure-footed jumpers and climbers waddan wildlife animal background bearded billy-goat black-legged breed color colored colors colour coloured colours contrasting dark farm farm-yard goat goaty grazer hairy light long-haired omnivorous shade shadows sunlight sunshine tail erect manes harems mohawk-like manes stiff manes Asia beast bos-taurus Bristles brown cloven-hooved common cud-chewing dairy-cow domesticated fawn head nature nose nostrils quadruped quiet ruminant snout solitary texture textured textures Ungulate whiskers