INTERNATIONAL VARIETIES OF ENGLISH may be specific to one geographical area. For example, ash and mahogany are both used in Australia to apply to many eucalypts; badger was used in Australia to refer to marsupials, especially the wombat, and mole was sometimes used in the nineteenth century to refer to the platypus; robin is used to refer to a number of different species of bird in North America, Australia and New Zealand; a barber may be a sheep-shearer in Australia; in South Africa a block is a number of farms in a single unit owned by one person or company.