animal animals beast of burden bovine camel Camel cavalry Camel Ride camelids camelus caravan carry cattle desert domestic domesticated animal dromedary feral help herd hump India krayker traffic transport Ungulate ungulates Africa armor horn mammal odd-toed ungulates rhino rhinoceros Rhinocerotidae zoo Arabian brown bushy-eyebrows camel-wool camelus-dromedarius coat cow curly-eye-lashes domesticated efficient endurance even-toed-ungulate fawn hair hardy leathery-pads mammals molt molting moult moulting Ships-of-the-Desert strength strong tough two-toed wool woolly